Add native shell launcher with themed search and browsing

2026-10-13 23:15:44 +01:00
1 parent 2a400b26d0
commit d8bdb68b2a
@@ -568,6 +568,15 @@ dependencies = [
 "serde",
 ]
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@@ -617,6 +626,19 @@ dependencies = [
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@@ -742,6 +764,12 @@ dependencies = [
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@@ -1032,6 +1060,12 @@ version = "0.10.2"
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@@ -1129,11 +1163,11 @@ dependencies = [
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 "cosmic-config-derive",
 "cosmic-settings-daemon",
- "dirs",
+ "dirs 6.0.0",
 "futures-util",
 "iced_futures",
 "known-folders",
- "notify",
+ "notify 8.2.0",
 "ron",
 "serde",
 "tokio",
@@ -1220,7 +1254,7 @@ dependencies = [
 "configparser",
 "cosmic-config",
 "csscolorparser",
- "dirs",
+ "dirs 6.0.0",
 "hex_color",
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@@ -1256,6 +1290,43 @@ dependencies = [
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@@ -1312,7 +1383,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "168dbdf4dced8f57fa4246ac9080598452b49d70bb2d0e46422142f113140dd8"
 dependencies = [
 "num-traits",
- "phf",
+ "phf 0.13.1",
 "serde",
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@@ -1404,6 +1475,12 @@ dependencies = [
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@@ -1448,13 +1525,34 @@ dependencies = [
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+ "dirs-sys 0.5.0",
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@@ -1465,7 +1563,7 @@ checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
 dependencies = [
 "libc",
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- "redox_users",
+ "redox_users 0.5.2",
 "windows-sys 0.61.2",
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@@ -1534,6 +1632,15 @@ version = "1.2.1"
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@@ -1624,6 +1731,12 @@ version = "0.8.1"
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@@ -1755,7 +1868,7 @@ dependencies = [
 "jiff",
 "libc",
 "memmap2 0.9.11",
- "notify",
+ "notify 8.2.0",
 "serde",
 "serde_json",
 "smithay",
@@ -1892,7 +2005,7 @@ dependencies = [
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 "image",
 "libcosmic",
- "notify",
+ "notify 8.2.0",
 "serde_json",
 "shlex 1.3.0",
 "tempfile",
@@ -1920,12 +2033,14 @@ dependencies = [
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 "fff-search",
 "freedesktop-desktop-entry",
 "iced_accessibility",
 "image",
 "jiff",
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 "pipewire",
 "serde",
 "serde_json",
@@ -1987,6 +2102,83 @@ dependencies = [
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@@ -2407,6 +2599,18 @@ dependencies = [
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@@ -2468,12 +2672,31 @@ dependencies = [
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@@ -2657,6 +2880,44 @@ version = "0.5.0"
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@@ -3122,6 +3383,22 @@ dependencies = [
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 [[package]]
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@@ -3551,7 +3828,7 @@ dependencies = [
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 "log",
 "palette",
- "phf",
+ "phf 0.13.1",
 "rfd",
 "roxmltree",
 "rust-embed",
@@ -3566,6 +3843,18 @@ dependencies = [
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 [[package]]
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@@ -3651,6 +3940,18 @@ dependencies = [
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@@ -4510,6 +4867,16 @@ dependencies = [
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@@ -4519,7 +4886,7 @@ dependencies = [
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- "phf",
+ "phf 0.13.1",
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@@ -4582,23 +4949,49 @@ version = "0.2.3"
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@@ -4789,6 +5204,12 @@ dependencies = [
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 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a6394b9e965e73d0a289ee54f589087e2c676aedf60885baf52c76b771e4958"
 [[package]]
 name = "ppv-lite86"
 version = "0.2.21"
@@ -4995,6 +5416,26 @@ version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "20675572f6f24e9e76ef639bc5552774ed45f1c30e2951e1e99c59888861c539"
 [[package]]
 name = "rayon"
 version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb39b166781f92d482534ef4b4b1b2568f42613b53e5b6c160e24cfbfa30926d"
 dependencies = [
 "either",
 "rayon-core",
 ]
 [[package]]
 name = "rayon-core"
 version = "1.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
 dependencies = [
 "crossbeam-deque",
 "crossbeam-utils",
 ]
 [[package]]
 name = "read-fonts"
 version = "0.37.0"
@@ -5054,6 +5495,17 @@ dependencies = [
 "bitflags 2.13.2",
 ]
 [[package]]
 name = "redox_users"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
 dependencies = [
 "getrandom 0.2.17",
 "libredox",
 "thiserror 1.0.69",
 ]
 [[package]]
 name = "redox_users"
 version = "0.5.2"
@@ -5818,6 +6270,12 @@ dependencies = [
 "zeno",
 ]
 [[package]]
 name = "symlink"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7973cce6668464ea31f176d85b13c7ab3bba2cb3b77a2ed26abd7801688010a"
 [[package]]
 name = "syn"
 version = "2.0.119"
@@ -5840,6 +6298,15 @@ dependencies = [
 "unicode-ident",
 ]
 [[package]]
 name = "synchronoise"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dbc01390fc626ce8d1cffe3376ded2b72a11bb70e1c75f404a210e4daa4def2"
 dependencies = [
 "crossbeam-queue",
 ]
 [[package]]
 name = "synstructure"
 version = "0.14.0"
@@ -5962,6 +6429,36 @@ dependencies = [
 "cfg-if",
 ]
 [[package]]
 name = "time"
 version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cdb87b95ec50ddfa440816d227a17b2ccbdda963a316a727fda0fc4334f7d134"
 dependencies = [
 "deranged",
 "num-conv",
 "powerfmt",
 "serde_core",
 "time-core",
 "time-macros",
 ]
 [[package]]
 name = "time-core"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1c906769ad99c88eaa54e728060edef082f8e358ff32030cb7c7d315e81109"
 [[package]]
 name = "time-macros"
 version = "0.2.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e689342a48d2ea927c87ea50cabf8594854bf940e9310208848d680d668ed85"
 dependencies = [
 "num-conv",
 "time-core",
 ]
 [[package]]
 name = "tiny-skia"
 version = "0.11.4"
@@ -6154,6 +6651,19 @@ dependencies = [
 "tracing-core",
 ]
 [[package]]
 name = "tracing-appender"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "050686193eb999b4bb3bc2acfa891a13da00f79734704c4b8b4ef1a10b368a3c"
 dependencies = [
 "crossbeam-channel",
 "symlink",
 "thiserror 2.0.21",
 "time",
 "tracing-subscriber",
 ]
 [[package]]
 name = "tracing-attributes"
 version = "0.1.31"
@@ -6453,6 +6963,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 [[package]]
 name = "version-compare"
 version = "0.2.1"
@@ -7736,7 +8252,7 @@ name = "xdg-desktop-portal-ferese"
 version = "0.1.0-beta"
 dependencies = [
 "calloop 0.14.4",
- "dirs",
+ "dirs 6.0.0",
 "ferese-config",
 "ferese-ipc",
 "ferese-protocols",
@@ -7819,6 +8335,12 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec7a2a501ed189703dba8b08142f057e887dfc4b2cc4db2d343ac6376ba3e0b9"
 [[package]]
 name = "xxhash-rust"
 version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "550a2b930b62486a393c52d5c3b84bff264b28aa437ed64694d31e93b1757af7"
 [[package]]
 name = "yansi"
 version = "1.0.1"
@@ -184,6 +184,7 @@ impl DirectBackendState {
        window: &smithay::desktop::Window,
        output: &Output,
        cursor: Option<smithay::utils::Rectangle<i32, smithay::utils::Logical>>,
        scale: f64,
    ) -> Result<crate::handlers::screenshot::CaptureBuffer, String> {
        let device = self
            .devices
@@ -194,7 +195,7 @@ impl DirectBackendState {
            &mut device.renderer,
            window,
            window.geometry(),
-            output.current_scale().fractional_scale(),
+            scale,
            cursor.map(|rect| (state, rect)),
        )
    }
@@ -1214,7 +1214,7 @@ mod tests {
        let input = config.input_settings().unwrap();
        let bindings = config.bindings(&input).unwrap();
-        assert_eq!(bindings.len(), 62);
+        assert_eq!(bindings.len(), 63);
        for (shift, action) in [
            (false, BindingAction::ToggleMaximized),
            (true, BindingAction::ToggleFullscreen),
@@ -1225,6 +1225,10 @@ mod tests {
                && binding.action == action));
        }
        assert!(bindings.iter().any(|binding| binding.action == BindingAction::Exit));
        assert!(bindings.iter().any(|binding| binding.modifiers.logo
            && !binding.modifiers.shift
            && binding.trigger == BindingTrigger::Keysym(keysyms::KEY_space)
            && binding.action == BindingAction::ToggleLauncher));
        assert!(bindings.iter().any(|binding| binding.modifiers.logo
            && binding.modifiers.shift
            && binding.trigger == BindingTrigger::Keysym(keysyms::KEY_t)
@@ -1262,7 +1266,7 @@ mod tests {
        let input = replaced.input_settings().unwrap();
        let bindings = replaced.bindings(&input).unwrap();
-        assert_eq!(bindings.len(), 62);
+        assert_eq!(bindings.len(), 63);
        assert!(bindings.iter().any(|binding| {
            binding.action
                == BindingAction::Spawn(vec!["foot".to_owned(), "--app-id".to_owned(), "work".to_owned()].into())
@@ -1270,7 +1274,7 @@ mod tests {
        let input = unbound.input_settings().unwrap();
        let bindings = unbound.bindings(&input).unwrap();
-        assert_eq!(bindings.len(), 61);
+        assert_eq!(bindings.len(), 62);
        assert!(!bindings.iter().any(|binding| binding.action == BindingAction::Close));
    }
@@ -378,6 +378,10 @@ pub(super) fn parse_action(
            no_argument()?;
            Ok(BindingAction::ToggleDisplayMode)
        }
        "toggle-launcher" => {
            no_argument()?;
            Ok(BindingAction::ToggleLauncher)
        }
        "toggle-keybinding-guide" => {
            no_argument()?;
            Ok(BindingAction::ToggleKeybindingGuide)
@@ -405,6 +409,7 @@ pub(super) fn parse_workspace(argument: &str) -> Result<u8, ConfigError> {
 pub(super) fn default_bindings() -> Vec<BindingConfig> {
    let mut bindings = vec![
        binding("Super+Space", "toggle-launcher", None),
        binding("Super+Enter", "spawn", Some("terminal")),
        binding("Super+Shift+S", "spawn", Some("screenshot")),
        binding("Print", "spawn", Some("screenshot-full")),
@@ -524,6 +529,7 @@ pub enum BindingAction {
    ToggleFloating,
    ToggleOverview,
    ToggleKeybindingGuide,
    ToggleLauncher,
    ToggleDisplayMode,
    Media(&'static str),
 }
@@ -648,6 +654,7 @@ impl Binding {
            .into(),
            BindingAction::ToggleOverview => "Open or close overview".into(),
            BindingAction::ToggleDisplayMode => "Open display mode chooser".into(),
            BindingAction::ToggleLauncher => "Open or close launcher".into(),
            BindingAction::ToggleKeybindingGuide => "Open or close shortcut hint".into(),
        };
        let mut parts = Vec::new();
@@ -330,7 +330,7 @@ impl Ferese {
            )
        } else {
            let mut backend = self.direct_backend.take()?;
-            let result = backend.capture_window_frame(self, &window, &output, cursor);
+            let result = backend.capture_window_frame(self, &window, &output, cursor, scale);
            self.direct_backend = Some(backend);
            result
        };
@@ -1267,6 +1267,9 @@ impl Ferese {
            BindingAction::ToggleDisplayMode => {
                self.toggle_display_mode();
            }
            BindingAction::ToggleLauncher => {
                self.toggle_launcher();
            }
            BindingAction::ToggleKeybindingGuide => {
                self.toggle_keybinding_guide();
            }
@@ -1083,6 +1083,14 @@ impl Ferese {
            "toggle-display-mode" => {
                self.toggle_display_mode();
            }
            "toggle-launcher" => {
                if !self.toggle_launcher() {
                    return Err(CommandError::new(
                        "unavailable",
                        "Launcher requires an unlocked session and an updated Ferese shell",
                    ));
                }
            }
            "toggle-keybinding-guide" => {
                if !self.toggle_keybinding_guide() {
                    return Err(CommandError::new(
@@ -427,6 +427,7 @@ impl SessionLockHandler for Ferese {
    }
    fn lock(&mut self, confirmation: SessionLocker) {
        self.dismiss_launcher();
        if !self.session_lock.lifecycle.can_acquire() {
            return;
        }
@@ -10,7 +10,7 @@ use crate::private_client::ClientCapabilities;
 use crate::state::ClientState;
 pub(crate) fn init_global(display: &DisplayHandle) {
-    display.create_global::<Ferese, FereseShellManagerV1, _>(9, ());
+    display.create_global::<Ferese, FereseShellManagerV1, _>(10, ());
 }
 pub(crate) fn config_chunks(source: &str) -> Vec<&str> {
@@ -98,6 +98,18 @@ impl Dispatch<FereseShellV1, ()> for Ferese {
            return;
        }
        match request {
            ferese_shell_v1::Request::Thumbnail {
                token,
                window_hi,
                window_lo,
            } => {
                if let Some((width, height, file)) = state.shell_thumbnail(join_id(window_hi, window_lo)) {
                    use std::os::fd::AsFd;
                    shell.thumbnail(token, window_hi, window_lo, width, height, file.as_fd());
                } else {
                    shell.thumbnail_unavailable(token, window_hi, window_lo);
                }
            }
            ferese_shell_v1::Request::ActivateWindow { window_hi, window_lo } => state.handle_shell_window_request(
                shell,
                ferese_shell_v1::FailedRequest::ActivateWindow,
@@ -246,6 +258,22 @@ impl Ferese {
        true
    }
    pub(crate) fn toggle_launcher(&mut self) -> bool {
        if self.session_lock.active() {
            return false;
        }
        let Some(shell) = self
            .shell_resources
            .iter()
            .filter_map(|shell| shell.upgrade().ok())
            .find(|shell| shell.version() >= 10)
        else {
            return false;
        };
        shell.toggle_launcher(self.focused_output().map_or_else(String::new, |output| output.name()));
        true
    }
    pub(crate) fn toggle_keybinding_guide(&mut self) -> bool {
        if self.session_lock.active() {
            return false;
@@ -888,3 +916,76 @@ mod tests {
        }
    }
 }
 impl Ferese {
    pub(crate) fn dismiss_launcher(&self) {
        for shell in self
            .shell_resources
            .iter()
            .filter_map(|s| s.upgrade().ok())
            .filter(|s| s.version() >= 10)
        {
            shell.dismiss_launcher();
        }
    }
    fn shell_thumbnail(&mut self, id: WindowId) -> Option<(u32, u32, std::fs::File)> {
        use std::io::{Seek, Write};
        if self.session_lock.active() {
            return None;
        }
        let window = self
            .windows
            .ids()
            .iter()
            .find(|(_, candidate)| **candidate == id)?
            .0
            .clone();
        if self.capture_protected(&window) {
            return None;
        }
        let workspace = self.workspaces.workspace_for_window(id)?;
        let owner = self.output_workspaces.output_for_workspace(workspace)?;
        let output = self
            .output_ids
            .iter()
            .find(|(_, candidate)| **candidate == owner)?
            .0
            .clone();
        let geometry = window.geometry();
        if geometry.size.w <= 0 || geometry.size.h <= 0 {
            return None;
        }
        let scale = (320. / f64::from(geometry.size.w))
            .min(168. / f64::from(geometry.size.h))
            .min(1.);
        let result = if let Some(backend) = self.nested_backend.clone() {
            let mut backend = backend.try_borrow_mut().ok()?;
            crate::render::capture_window_frame(backend.renderer(), &window, geometry, scale, None)
        } else {
            let mut backend = self.direct_backend.take()?;
            let result = backend.capture_window_frame(self, &window, &output, None, scale);
            self.direct_backend = Some(backend);
            result
        };
        let mut buffer = result.ok()?;
        if buffer.width <= 0 || buffer.width > 320 || buffer.height <= 0 || buffer.height > 168 {
            return None;
        }
        // GL ABGR readback is RGBA bytes on the supported little-endian targets.
        // Iced expects straight rather than premultiplied channels.
        for pixel in buffer.pixels.chunks_exact_mut(4) {
            let alpha = u16::from(pixel[3]);
            for channel in &mut pixel[..3] {
                *channel = (u16::from(*channel) * 255 + alpha / 2)
                    .checked_div(alpha)
                    .unwrap_or(0)
                    .min(255) as u8;
            }
        }
        let mut file = tempfile::tempfile().ok()?;
        file.write_all(&buffer.pixels).ok()?;
        file.rewind().ok()?;
        Some((buffer.width as u32, buffer.height as u32, file))
    }
 }
@@ -647,9 +647,6 @@ impl Ferese {
        let Some(output_id) = self.output_workspaces.output_for_workspace(destination) else {
            return false;
        };
        if self.output_workspaces.output_for_workspace(source) != Some(output_id) {
            return false;
        }
        if source == destination {
            return true;
        }
@@ -1178,3 +1178,42 @@ fn tab_indicator_yields_to_a_floating_window_and_disappears_with_one_tab() {
    assert!(state.scrolling_tab_bar(a).is_none());
    assert!(state.tab_indicator.hover.is_none());
 }
 #[test]
 fn shell_can_move_a_window_to_the_current_workspace_on_another_output() {
    if !crate::startup_tests::private_runtime(
        "state::window_lifecycle_tests::shell_can_move_a_window_to_the_current_workspace_on_another_output",
    ) {
        return;
    }
    let (mut events, mut state, _) = fixture();
    let (window, _wire) = window(&mut state, &mut events, 0xff112233);
    let id = state.windows.ids()[&window];
    let source = state.workspaces.workspace_for_window(id).unwrap();
    let second = Output::new(
        "second".into(),
        smithay::output::PhysicalProperties {
            size: (0, 0).into(),
            subpixel: smithay::output::Subpixel::Unknown,
            make: "test".into(),
            model: "test".into(),
        },
    );
    second.change_current_state(
        Some(smithay::output::Mode {
            size: (800, 600).into(),
            refresh: 60_000,
        }),
        None,
        None,
        None,
    );
    state.space.map_output(&second, (800, 0));
    state.register_output(&second, "second".into());
    let output = state.output_ids[&second];
    let destination = state.output_workspaces.active_workspace(output).unwrap();
    assert_ne!(source, destination);
    assert!(state.move_managed_window_to_workspace(id, destination));
    assert_eq!(state.workspaces.workspace_for_window(id), Some(destination));
    assert!(state.move_managed_window_to_workspace(id, destination));
 }
@@ -0,0 +1 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8"><rect x="4" y="4" width="6" height="6" rx="2"/><rect x="14" y="4" width="6" height="6" rx="2"/><rect x="4" y="14" width="6" height="6" rx="2"/><rect x="14" y="14" width="6" height="6" rx="2"/></svg>
@@ -0,0 +1 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linejoin="round"><path d="M3 7a2 2 0 0 1 2-2h5l2 3h7a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/></svg>
@@ -0,0 +1 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"><circle cx="10.5" cy="10.5" r="6.5"/><path d="m16 16 4 4"/></svg>
@@ -0,0 +1 @@
 <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"><rect x="3.5" y="4.5" width="17" height="15" rx="3"/><path d="M4 9h16"/></svg>
@@ -30,6 +30,10 @@ pub const DISPLAY_EXTEND: &[u8] = include_bytes!("../assets/icons/display-extend
 pub const DISPLAY_MIRROR: &[u8] = include_bytes!("../assets/icons/display-mirror.svg");
 pub const DISPLAY: &[u8] = include_bytes!("../assets/icons/display.svg");
 pub const FERESE: &[u8] = include_bytes!("../../../assets/branding/ferese-symbolic.svg");
 pub const SEARCH: &[u8] = include_bytes!("../assets/icons/search.svg");
 pub const APPS: &[u8] = include_bytes!("../assets/icons/apps.svg");
 pub const WINDOW: &[u8] = include_bytes!("../assets/icons/window.svg");
 pub const FOLDER: &[u8] = include_bytes!("../assets/icons/folder.svg");
 pub const OVERVIEW: &[u8] = include_bytes!("../assets/icons/overview.svg");
 pub const AIRPLANE: &[u8] = include_bytes!("../assets/icons/status/airplane.svg");
 pub const BATTERY_25: &[u8] = include_bytes!("../assets/icons/status/battery-25.svg");
@@ -30,7 +30,7 @@ invalid. A disabled binding must omit `action` and `argument`.
 | `focus-floating` | None; focus the last focused window in the opposite tiled/floating layer on this workspace |
 | `focus-mru-next`, `focus-mru-previous` | None; cycle windows in focus order |
 | `none` | None; ignore this trigger |
-| `close`, `exit`, `toggle-maximized`, `toggle-fullscreen`, `toggle-layout`, `cycle-column-width`, `center-column`, `consume`, `expel`, `toggle-column-tabbed`, `leave-tab`, `next-tab`, `previous-tab`, `toggle-floating`, `toggle-overview` | None |
+| `close`, `exit`, `toggle-maximized`, `toggle-fullscreen`, `toggle-layout`, `cycle-column-width`, `center-column`, `consume`, `expel`, `toggle-column-tabbed`, `leave-tab`, `next-tab`, `previous-tab`, `toggle-floating`, `toggle-overview`, `toggle-launcher` | None |
 ```kdl
 commands {
@@ -6,6 +6,18 @@ guide. Your saved bindings can override these defaults.
 The [example config](../packaging/config.kdl) adds the app, media and arrow-key
 shortcuts listed below.
 ## Launcher
 **Super + Space** opens the launcher. Type to search, press **Tab** to accept
 completion, or **Enter** to open the selected match. **Down** shows alternatives.
 The **Apps**, **Files** and **Windows** tiles browse each source separately.
 **Escape** clears the query, returns from a browse view, then closes the launcher,
 one step per press. In Windows, **Alt + Enter** moves the selected window to the
 current workspace. Power off, restart and logout also require **Alt + Enter**.
 Run `feresectl launcher toggle` to open or close it from a script.
 ## Move and resize with the mouse
 | Action | Result |
@@ -19,6 +19,11 @@ pub struct Cli {
 #[derive(Debug, Subcommand)]
 pub enum Command {
    /// Show or hide the application launcher.
    Launcher {
        #[command(subcommand)]
        action: LauncherAction,
    },
    /// Publish bounded activity data owned by the invoking shell.
    Activity {
        #[command(subcommand)]
@@ -235,10 +240,18 @@ fn value_name(value: &impl ValueEnum) -> String {
        .to_owned()
 }
 #[derive(Debug, Subcommand)]
 pub enum LauncherAction {
    Toggle,
 }
 impl Command {
    pub fn ipc(&self) -> Option<(&'static str, Value)> {
        let (command, args) = match self {
            Self::Activity { .. } | Self::Run { .. } => return None,
            Self::Launcher {
                action: LauncherAction::Toggle,
            } => ("toggle-launcher", json!({})),
            Self::FocusedWindow => ("get-focused-window", json!({})),
            Self::Windows => ("get-windows", json!({})),
            Self::IdleInhibition => ("get-idle-inhibition", json!({})),
@@ -38,6 +38,7 @@ fn help_exits_successfully_without_a_session_and_has_hidden_legacy_aliases() {
    for args in [
        &["--help"][..],
        &["theme", "--help"],
        &["launcher", "--help"],
        &["media", "--help"],
        &["xwayland", "--help"],
        &["screenshot", "--help"],
@@ -470,3 +471,17 @@ sys.exit(19)
        .unwrap();
    assert!(elapsed < 1.5, "stdout reader stalled the child for {elapsed}s");
 }
 #[test]
 fn launcher_toggle_uses_the_shell_command() {
    let directory = tempfile::tempdir().unwrap();
    let path = directory.path().join("ipc.sock");
    let server = serve(&path, "toggle-launcher", json!({}));
    success(
        ctl(&["launcher", "toggle"])
            .env("FERESE_SOCKET", &path)
            .output()
            .unwrap(),
    );
    server.join().unwrap();
 }
@@ -7,7 +7,7 @@ url='https://github.com/ferese-wm/ferese'
 license=('MIT' 'Apache-2.0' 'BSD-2-Clause' 'BSD-3-Clause' 'BSL-1.0' 'CC0-1.0' 'CDLA-Permissive-2.0' 'ISC' 'MPL-2.0' 'Unicode-3.0' 'Unlicense' 'Zlib' 'OFL-1.1' 'Apache-2.0 WITH LLVM-exception')
 depends=('wayland' 'libxkbcommon' 'libinput' 'systemd-libs' 'seatd' 'mesa' 'libdrm'
         'fontconfig' 'freetype2' 'expat' 'dbus' 'python' 'bash' 'util-linux' 'systemd' 'pam' 'polkit' 'foot' 'pipewire'
-         'wireplumber' 'libpipewire' 'gstreamer' 'xdg-desktop-portal' 'xdg-desktop-portal-gtk')
+         'wireplumber' 'libpipewire' 'gstreamer' 'xdg-desktop-portal' 'xdg-desktop-portal-gtk' 'glib2')
 makedepends=('cargo' 'cmake' 'clang' 'pkgconf' 'python' 'desktop-file-utils')
 checkdepends=('dbus' 'vulkan-swrast' 'xorg-xauth')
 optdepends=('brightnessctl: brightness controls' 'slurp: screenshot and recording region selection'
@@ -52,6 +52,7 @@ pkgbase = ferese-git
 	depends = gstreamer
 	depends = xdg-desktop-portal
 	depends = xdg-desktop-portal-gtk
 	depends = glib2
 	optdepends = brightnessctl: brightness controls
 	optdepends = slurp: screenshot region selection
 	optdepends = satty: screenshot editing
@@ -7,7 +7,7 @@ url='https://github.com/ferese-wm/ferese'
 license=('MIT' 'Apache-2.0' 'BSD-2-Clause' 'BSD-3-Clause' 'BSL-1.0' 'CC0-1.0' 'CDLA-Permissive-2.0' 'ISC' 'MPL-2.0' 'Unicode-3.0' 'Unlicense' 'Zlib' 'OFL-1.1' 'Apache-2.0 WITH LLVM-exception')
 depends=('wayland' 'libxkbcommon' 'libinput' 'systemd-libs' 'seatd' 'mesa' 'libdrm'
         'fontconfig' 'freetype2' 'expat' 'dbus' 'python' 'bash' 'util-linux' 'systemd' 'pam' 'polkit' 'foot' 'pipewire'
-         'wireplumber' 'libpipewire' 'gstreamer' 'xdg-desktop-portal' 'xdg-desktop-portal-gtk')
+         'wireplumber' 'libpipewire' 'gstreamer' 'xdg-desktop-portal' 'xdg-desktop-portal-gtk' 'glib2')
 makedepends=('cargo' 'cmake' 'clang' 'pkgconf' 'python' 'git' 'desktop-file-utils')
 checkdepends=('dbus' 'vulkan-swrast' 'xorg-xauth')
 optdepends=('brightnessctl: brightness controls' 'slurp: screenshot and recording region selection'
@@ -23,7 +23,7 @@ BuildRequires:  mesa-dri-drivers mesa-vulkan-drivers
 BuildRequires:  pipewire-devel gstreamer1-devel dbus-daemon desktop-file-utils polkit-libs pam
 BuildRequires:  xorg-x11-xauth
 Requires:       pam polkit polkit-libs foot pipewire wireplumber python3 bash util-linux dbus-daemon dbus-tools systemd
-Requires:       xdg-desktop-portal xdg-desktop-portal-gtk
+Requires:       xdg-desktop-portal xdg-desktop-portal-gtk glib2
 # Loaded at runtime, so ELF dependency detection does not find these libraries.
 Requires:       libEGL.so.1()(64bit) fontconfig freetype
 Recommends:     brightnessctl slurp wl-clipboard satty
@@ -22,7 +22,7 @@
    DEALINGS IN THE SOFTWARE.
  </copyright>
-  <interface name="ferese_shell_manager_v1" version="9">
+  <interface name="ferese_shell_manager_v1" version="10">
    <description summary="create a capability-scoped Ferese shell controller">
      This private global is visible only to clients granted the shell-control
      capability. It does not assign a Wayland surface role.
@@ -35,7 +35,7 @@
    <request name="destroy" type="destructor"/>
  </interface>
-  <interface name="ferese_shell_v1" version="9">
+  <interface name="ferese_shell_v1" version="10">
    <description summary="managed-window metadata and shell control">
      Window, workspace, and output identifiers are unsigned 64-bit values
      encoded as high and low 32-bit words. Each snapshot atomically replaces
@@ -213,5 +213,36 @@
      </description>
      <arg name="name" type="string"/>
    </event>
    <event name="toggle_launcher" since="10">
      <description summary="toggle the launcher on the focused output"/>
      <arg name="output_name" type="string"/>
    </event>
    <request name="thumbnail" since="10">
      <description summary="request a bounded window thumbnail">
        Only available on the private shell connection. Returns straight RGBA8
        pixels in an anonymous file, at most 320 by 168 pixels. Protected
        surfaces and locked sessions are never captured. The token identifies
        the invocation; the shell must discard replies from closed invocations.
      </description>
      <arg name="token" type="uint"/>
      <arg name="window_hi" type="uint"/>
      <arg name="window_lo" type="uint"/>
    </request>
    <event name="thumbnail" since="10">
      <arg name="token" type="uint"/>
      <arg name="window_hi" type="uint"/>
      <arg name="window_lo" type="uint"/>
      <arg name="width" type="uint"/>
      <arg name="height" type="uint"/>
      <arg name="pixels" type="fd"/>
    </event>
    <event name="thumbnail_unavailable" since="10">
      <arg name="token" type="uint"/>
      <arg name="window_hi" type="uint"/>
      <arg name="window_lo" type="uint"/>
    </event>
    <event name="dismiss_launcher" since="10">
      <description summary="discard launcher state before locking"/>
    </event>
  </interface>
 </protocol>
@@ -223,6 +223,23 @@ class ShellMotionTest(unittest.TestCase):
                                       "notification materials did not follow their fade")
                    print(f"Toast: {opening_frames} opening callback requests, {idle_frames / 2:g} settled commits/s; destroyed", flush=True)
                    subprocess.run([str(ctl), "launcher", "toggle"], env=ipc_environment(env), check=True, capture_output=True, timeout=5)
                    launcher = wait_for(lambda: layer_surface("ferese-launcher"))
                    wait_for(lambda: frames(launcher) >= 4)
                    time.sleep(1.5)
                    if capture_path := os.environ.get("FERESE_TEST_LAUNCHER_IMAGE"):
                        with open(capture_path, "wb") as capture:
                            subprocess.run([str(ctl), "screenshot"], env=ipc_environment(env), stdout=capture,
                                           stderr=subprocess.PIPE, check=True, timeout=10)
                    before = commits(launcher)
                    time.sleep(1)
                    self.assertLessEqual(commits(launcher) - before, 10, "settled launcher kept animating")
                    before_close = frames(launcher)
                    subprocess.run([str(ctl), "launcher", "toggle"], env=ipc_environment(env), check=True, capture_output=True, timeout=5)
                    wait_for(lambda: destroyed(launcher), timeout=5)
                    self.assertGreater(frames(launcher), before_close, "launcher did not animate its close")
                    print("Launcher: animated open and close, idle timer stopped, surface destroyed", flush=True)
                    subprocess.run([str(ctl), "toggle-keybinding-guide"], env=ipc_environment(env), check=True, capture_output=True, timeout=5)
                    modal = wait_for(lambda: layer_surface("ferese-system-modal"))
                    wait_for(lambda: frames(modal) >= 4)
@@ -6,6 +6,8 @@ license.workspace = true
 rust-version.workspace = true
 [dependencies]
 fff-search = "=0.11.0"
 mime_guess = "2.0.5"
 ferese-activities = { path = "../../crates/ferese-activities" }
 ferese-layout = { path = "../../crates/ferese-layout" }
 ferese-panel = { path = "../../crates/ferese-panel" }
@@ -8,6 +8,7 @@ const DEFAULT_BACKGROUND: [u8; 3] = [11, 15, 20];
 #[derive(Clone, Debug)]
 pub(crate) struct ShellConfig {
    pub(crate) terminal: Vec<String>,
    pub(crate) activities: ferese_config::activities::Settings,
    pub(crate) notifications: ferese_config::notifications::NotificationConfig,
    pub(crate) animations: crate::motion::Settings,
@@ -23,6 +24,7 @@ impl Default for ShellConfig {
    fn default() -> Self {
        let status = StatusConfig::default();
        Self {
            terminal: vec!["foot".into()],
            activities: Default::default(),
            notifications: Default::default(),
            animations: Default::default(),
@@ -185,6 +187,8 @@ pub(crate) enum WallpaperMode {
 #[derive(Debug, Default, Deserialize)]
 struct FereseConfig {
    #[serde(default)]
    commands: std::collections::HashMap<String, Vec<String>>,
    #[serde(default)]
    activities: ferese_config::activities::Settings,
    #[serde(default)]
@@ -404,6 +408,11 @@ fn parse_document(
            theme.bar_radius = theme.material_radius;
            Ok(ShellConfig {
                terminal: config
                    .commands
                    .get("terminal")
                    .cloned()
                    .unwrap_or_else(|| vec!["foot".into()]),
                activities: config.activities,
                notifications: config.notifications,
                animations: config.animations,
@@ -85,6 +85,9 @@ pub(crate) enum ControlCommand {
    Logout(u32, String),
    CancelLogout(u32),
    ToggleGuide(String),
    ToggleLauncher(String),
    DismissLauncher,
    Thumbnail(u32, u64, Option<cosmic::widget::image::Handle>),
    ToggleDisplays(String),
    MonitorsChanged,
 }
@@ -128,6 +131,9 @@ enum ControlUpdate {
    Logout(u32, String),
    LogoutCancelled(u32),
    ToggleGuide(String),
    ToggleLauncher(String),
    DismissLauncher,
    Thumbnail(u32, u64, Option<cosmic::widget::image::Handle>),
    ToggleDisplays(String),
    MonitorsChanged,
 }
@@ -137,7 +143,7 @@ impl ShellControl {
        let connection = control_connection()?;
        let (globals, mut queue) = registry_queue_init::<ControlState>(&connection)?;
        let qh = queue.handle();
-        let manager = globals.bind::<FereseShellManagerV1, _, _>(&qh, 7..=9, ())?;
+        let manager = globals.bind::<FereseShellManagerV1, _, _>(&qh, 7..=10, ())?;
        let shell = manager.get_shell(&qh, ());
        let (sender, updates) = mpsc::channel();
        let wake = Wake(Arc::new(tokio::sync::Notify::new()));
@@ -181,6 +187,11 @@ impl ShellControl {
                Ok(ControlUpdate::Logout(serial, output)) => poll.commands.push(ControlCommand::Logout(serial, output)),
                Ok(ControlUpdate::ToggleDisplays(output)) => poll.commands.push(ControlCommand::ToggleDisplays(output)),
                Ok(ControlUpdate::MonitorsChanged) => poll.commands.push(ControlCommand::MonitorsChanged),
                Ok(ControlUpdate::DismissLauncher) => poll.commands.push(ControlCommand::DismissLauncher),
                Ok(ControlUpdate::Thumbnail(token, window, image)) => {
                    poll.commands.push(ControlCommand::Thumbnail(token, window, image))
                }
                Ok(ControlUpdate::ToggleLauncher(output)) => poll.commands.push(ControlCommand::ToggleLauncher(output)),
                Ok(ControlUpdate::ToggleGuide(output)) => poll.commands.push(ControlCommand::ToggleGuide(output)),
                Ok(ControlUpdate::LogoutCancelled(serial)) => poll.commands.push(ControlCommand::CancelLogout(serial)),
                Ok(ControlUpdate::Config(source)) => poll.config = Some(source),
@@ -195,6 +206,15 @@ impl ShellControl {
        }
    }
    pub(crate) fn thumbnail(&self, token: u32, window: u64) {
        if self.shell.version() < 10 {
            return;
        }
        let (hi, lo) = split_id(window);
        self.shell.thumbnail(token, hi, lo);
        let _ = self.connection.flush();
    }
    pub(crate) fn move_window_to_workspace(&self, window: u64, workspace: u64) {
        if self.shell.version() < 8 {
            return;
@@ -318,6 +338,47 @@ impl Dispatch<FereseShellV1, ()> for ControlState {
        _qh: &QueueHandle<Self>,
    ) {
        match event {
            ferese_shell_v1::Event::DismissLauncher => {
                let _ = state.sender.send(ControlUpdate::DismissLauncher);
            }
            ferese_shell_v1::Event::ThumbnailUnavailable {
                token,
                window_hi,
                window_lo,
            } => {
                let _ = state
                    .sender
                    .send(ControlUpdate::Thumbnail(token, join_id(window_hi, window_lo), None));
            }
            ferese_shell_v1::Event::Thumbnail {
                token,
                window_hi,
                window_lo,
                width,
                height,
                pixels,
            } => {
                use std::io::Read;
                let image = (|| {
                    if width == 0 || width > 320 || height == 0 || height > 168 {
                        return None;
                    }
                    let mut file = std::fs::File::from(pixels);
                    let size = (width * height * 4) as usize;
                    if file.metadata().ok()?.len() != size as u64 {
                        return None;
                    }
                    let mut bytes = vec![0; size];
                    file.read_exact(&mut bytes).ok()?;
                    Some(cosmic::widget::image::Handle::from_rgba(width, height, bytes))
                })();
                let _ = state
                    .sender
                    .send(ControlUpdate::Thumbnail(token, join_id(window_hi, window_lo), image));
            }
            ferese_shell_v1::Event::ToggleLauncher { output_name } => {
                let _ = state.sender.send(ControlUpdate::ToggleLauncher(output_name));
            }
            ferese_shell_v1::Event::ConfigBegin => state.config = Some(String::new()),
            ferese_shell_v1::Event::ConfigChunk { source } => {
                append_config_chunk(&mut state.config, &source);
@@ -0,0 +1,161 @@
 use super::sources::{Matcher, ResultId, Row, Source, Target};
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, HashSet};
 use std::path::PathBuf;
 #[derive(Clone, Debug)]
 pub(crate) struct Apps {
    rows: Vec<Row>,
    normalized_names: Vec<String>,
    by_id: HashMap<String, usize>,
 }
 #[derive(Default, Deserialize, Serialize)]
 struct Usage {
    count: u64,
    last: u64,
 }
 fn state_path() -> Option<PathBuf> {
    std::env::var_os("XDG_STATE_HOME")
        .map(PathBuf::from)
        .or_else(|| std::env::var_os("HOME").map(|home| PathBuf::from(home).join(".local/state")))
        .map(|path| path.join("ferese/launcher-apps.json"))
 }
 fn history() -> HashMap<String, Usage> {
    state_path()
        .and_then(|path| {
            use std::io::Read;
            let mut bytes = Vec::new();
            std::fs::File::open(path)
                .ok()?
                .take(1024 * 1024 + 1)
                .read_to_end(&mut bytes)
                .ok()?;
            (bytes.len() <= 1024 * 1024).then_some(bytes)
        })
        .and_then(|bytes| serde_json::from_slice(&bytes).ok())
        .unwrap_or_default()
 }
 fn now() -> u64 {
    std::time::SystemTime::now()
        .duration_since(std::time::UNIX_EPOCH)
        .unwrap_or_default()
        .as_secs()
 }
 impl Apps {
    fn entry(&self, app_id: &str) -> Option<&Row> {
        self.by_id
            .get(&app_id.trim_end_matches(".desktop").to_ascii_lowercase())
            .map(|index| &self.rows[*index])
    }
    pub(super) fn name(&self, app_id: &str) -> Option<&str> {
        self.entry(app_id).map(|row| row.title.as_str())
    }
    pub(super) fn icon(&self, app_id: &str) -> Option<cosmic::widget::icon::Handle> {
        self.entry(app_id)?.icon.clone()
    }
    pub(super) fn empty() -> Self {
        Self {
            rows: Vec::new(),
            normalized_names: Vec::new(),
            by_id: HashMap::new(),
        }
    }
    pub(super) fn load(cancel: &super::work::Cancellation) -> Self {
        use freedesktop_desktop_entry as fde;
        let locales = fde::get_languages_from_env();
        let desktops = std::env::var("XDG_CURRENT_DESKTOP").unwrap_or_else(|_| "Ferese".into());
        let desktops: Vec<_> = desktops.split(':').collect();
        let mut seen = HashSet::new();
        let usage = history();
        let now = now();
        let rows: Vec<Row> = fde::Iter::new(fde::default_paths())
            .entries(Some(&locales))
            .take_while(|_| !cancel.cancelled())
            .filter(|entry| seen.insert(entry.appid.clone()))
            .filter(|entry| !entry.hidden() && !entry.no_display())
            .filter(|entry| {
                entry
                    .only_show_in()
                    .is_none_or(|names| names.iter().any(|name| desktops.contains(name)))
            })
            .filter(|entry| {
                entry
                    .not_show_in()
                    .is_none_or(|names| !names.iter().any(|name| desktops.contains(name)))
            })
            .filter_map(|entry| {
                let title = entry.name(&locales)?.into_owned();
                let score = usage.get(&entry.appid).map_or(0., |usage| {
                    let age = now.saturating_sub(usage.last) as f64 / 86400.;
                    (usage.count as f64).ln_1p() * 8. + 40. / (1. + age)
                });
                Some(Row {
                    id: ResultId::App(entry.appid.as_str().into()),
                    icon: Some(super::icons::resolve(
                        entry.icon().unwrap_or("application-x-executable"),
                        "application-x-executable",
                    )),
                    title,
                    subtitle: "Application".into(),
                    target: Target::App {
                        id: entry.appid,
                        desktop: entry.path,
                    },
                    score,
                })
            })
            .collect();
        if cancel.cancelled() {
            return Self::empty();
        }
        let normalized_names = rows.iter().map(|row| row.title.to_lowercase()).collect();
        let by_id = rows
            .iter()
            .enumerate()
            .filter_map(|(index, row)| match &row.target {
                Target::App { id, .. } => Some((id.to_ascii_lowercase(), index)),
                _ => None,
            })
            .collect();
        Self {
            rows,
            normalized_names,
            by_id,
        }
    }
 }
 impl Apps {
    pub(super) fn search(&self, query: &str, cancel: &super::work::Cancellation) -> Vec<Row> {
        let matcher = Matcher::new(query);
        self.rows
            .iter()
            .zip(&self.normalized_names)
            .take_while(|_| !cancel.cancelled())
            .filter_map(|(row, name)| {
                let score = matcher.normalized(name)?;
                let mut row = row.clone();
                row.score += score;
                Some(row)
            })
            .collect()
    }
 }
 impl Source for Apps {
    fn query(&self, query: &str) -> Vec<Row> {
        self.search(query, &Default::default())
    }
 }
 pub(super) fn record(id: &str) -> Result<(), String> {
    let path = state_path().ok_or("No state directory")?;
    let parent = path.parent().ok_or("Invalid state directory")?;
    std::fs::create_dir_all(parent).map_err(|e| e.to_string())?;
    let mut history = history();
    let usage = history.entry(id.into()).or_default();
    usage.count = usage.count.saturating_add(1);
    usage.last = now();
    let mut file = tempfile::NamedTempFile::new_in(parent).map_err(|e| e.to_string())?;
    serde_json::to_writer(file.as_file_mut(), &history).map_err(|e| e.to_string())?;
    file.persist(path).map_err(|e| e.to_string())?;
    Ok(())
 }
@@ -0,0 +1,160 @@
 use super::sources::{Matcher, ResultId, Row, Source, Target};
 use fff_search::{
    FilePicker, FilePickerOptions, FuzzySearchOptions, PaginationArgs, QueryParser, SharedFilePicker, SharedFrecency,
 };
 use std::sync::{Arc, OnceLock};
 #[derive(Clone, Debug, Default)]
 pub(crate) enum Status {
    #[default]
    Ready,
    Indexing,
    Unavailable(String),
 }
 impl Status {
    pub(super) fn message(&self) -> Option<&str> {
        match self {
            Self::Ready => None,
            Self::Indexing => Some("Indexing files…"),
            Self::Unavailable(error) => Some(error),
        }
    }
 }
 #[derive(Clone, Default)]
 pub(crate) struct Files(Arc<OnceLock<Result<SharedFilePicker, String>>>);
 impl Files {
    fn picker(&self) -> Result<&SharedFilePicker, &str> {
        self.0
            .get_or_init(|| {
                let home = std::env::var_os("HOME").ok_or_else(|| "No home directory".to_string())?;
                let home = std::fs::canonicalize(home).map_err(|e| e.to_string())?;
                if home.parent().is_none() {
                    return Err("The filesystem root cannot be indexed".into());
                }
                let base_path = home
                    .into_os_string()
                    .into_string()
                    .map_err(|_| "Home directory is not UTF-8".to_string())?;
                let shared = SharedFilePicker::default();
                FilePicker::new_with_shared_state(
                    shared.clone(),
                    SharedFrecency::default(),
                    FilePickerOptions {
                        base_path,
                        enable_home_dir_scanning: true,
                        ..Default::default()
                    },
                )
                .map_err(|error| error.to_string())?;
                Ok(shared)
            })
            .as_ref()
            .map_err(String::as_str)
    }
    pub(super) fn status(&self) -> Status {
        match self.0.get() {
            Some(Err(error)) => Status::Unavailable(format!("File search unavailable: {error}")),
            Some(Ok(picker)) if !picker.wait_for_scan(std::time::Duration::ZERO) => Status::Indexing,
            _ => Status::Ready,
        }
    }
 }
 impl Files {
    pub(super) fn search(
        &self,
        query: &str,
        cancel: &super::work::Cancellation,
        icons: &std::sync::Mutex<super::icons::FileIcons>,
    ) -> Vec<Row> {
        if cancel.cancelled() {
            return Vec::new();
        }
        let Ok(shared) = self.picker() else {
            return Vec::new();
        };
        if cancel.cancelled() {
            return Vec::new();
        }
        let paths = {
            let Ok(guard) = shared.read() else {
                return Vec::new();
            };
            if cancel.cancelled() {
                return Vec::new();
            }
            let Some(picker) = guard.as_ref() else {
                return Vec::new();
            };
            let parser = QueryParser::default();
            let parsed = parser.parse(query);
            picker
                .fuzzy_search(
                    &parsed,
                    None,
                    FuzzySearchOptions {
                        max_threads: 2,
                        pagination: PaginationArgs { offset: 0, limit: 100 },
                        ..Default::default()
                    },
                )
                .items
                .into_iter()
                .take_while(|_| !cancel.cancelled())
                .map(|item| item.absolute_path(picker, &picker.base_path))
                .collect::<Vec<_>>()
        };
        // Filesystem/icon work must not hold the picker's read lock.
        let matcher = Matcher::new(query);
        let mut icons = icons.lock().unwrap_or_else(|error| error.into_inner());
        paths
            .into_iter()
            .take_while(|_| !cancel.cancelled())
            .map(|path| {
                let title = path.file_name().unwrap_or_default().to_string_lossy().into_owned();
                let icon = Some(icons.file(&path));
                let subtitle = format!("File · {}", path.parent().unwrap_or(&path).display());
                let path: Arc<std::path::Path> = path.into();
                Row {
                    id: ResultId::File(path.clone()),
                    score: matcher.score(&title).unwrap_or(200.),
                    icon,
                    title,
                    subtitle,
                    target: Target::File(path),
                }
            })
            .collect()
    }
 }
 impl Source for Files {
    fn query(&self, query: &str) -> Vec<Row> {
        self.search(query, &Default::default(), &Default::default())
    }
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn index_is_lazy_and_queries_use_the_file_picker() {
        assert!(Files::default().0.get().is_none());
        let directory = tempfile::tempdir().unwrap();
        std::fs::write(directory.path().join("launcher-note.txt"), "note").unwrap();
        let shared = SharedFilePicker::default();
        FilePicker::new_with_shared_state(
            shared.clone(),
            SharedFrecency::default(),
            FilePickerOptions {
                base_path: directory.path().to_string_lossy().into_owned(),
                ..Default::default()
            },
        )
        .unwrap();
        assert!(shared.wait_for_scan(std::time::Duration::from_secs(10)));
        let files = Files(Arc::new(OnceLock::from(Ok(shared))));
        let matches = files.query("launcher-note");
        assert!(matches.iter().any(|row| row.title == "launcher-note.txt"));
        assert!(files.query("no-such-file-xyz").is_empty());
    }
 }
@@ -0,0 +1,40 @@
 use cosmic::widget::icon;
 use std::path::Path;
 pub(super) fn resolve(name: &str, fallback: &'static str) -> icon::Handle {
    if Path::new(name).is_absolute() {
        icon::from_path(name.into())
    } else {
        icon::from_name(name.to_owned())
            .prefer_svg(true)
            .size(32)
            .fallback(Some(icon::IconFallback::Names(vec![fallback.into()])))
            .handle()
    }
 }
 #[derive(Default)]
 pub(super) struct FileIcons(std::collections::HashMap<String, icon::Handle>);
 impl FileIcons {
    pub(super) fn file(&mut self, path: &Path) -> icon::Handle {
        let mime = mime_guess::from_path(path).first_or_octet_stream();
        if let Some(handle) = self.0.get(mime.essence_str()) {
            return handle.clone();
        }
        let name = mime.essence_str().replace('/', "-");
        let generic = format!("{}-x-generic", mime.type_());
        let handle = icon::from_name(name)
            .prefer_svg(true)
            .size(32)
            .fallback(Some(icon::IconFallback::Names(vec![
                generic.into(),
                "text-x-generic".into(),
            ])))
            .handle();
        // The cache belongs to one invocation and has a fixed upper bound.
        if self.0.len() < 64 {
            self.0.insert(mime.essence_str().into(), handle.clone());
        }
        handle
    }
 }
@@ -0,0 +1,135 @@
 use super::{Target, apps, sources};
 use crate::compositor_ipc;
 pub(super) fn run(target: Target, terminal: &[String]) -> Result<(), String> {
    use sources::Action;
    let mut command = match target {
        Target::App { id, desktop } => {
            let entry = freedesktop_desktop_entry::DesktopEntry::from_path(&desktop, None::<&[&str]>)
                .map_err(|e| e.to_string())?;
            let result = if entry.terminal() {
                let arguments = entry.parse_exec().map_err(|e| e.to_string())?;
                let mut command = terminal_command(terminal)?;
                command.args(arguments);
                if let Some(path) = entry.path() {
                    command.current_dir(path);
                }
                spawn(&mut command)
            } else {
                open("gio", &[std::ffi::OsStr::new("launch"), desktop.as_os_str()])
            };
            if result.is_ok() {
                if let Err(error) = apps::record(&id) {
                    eprintln!("Could not save launcher history: {error}");
                }
            }
            return result;
        }
        Target::File(path) => return open("gio", &[std::ffi::OsStr::new("open"), path.as_os_str()]),
        Target::Action(action @ (Action::Light | Action::Dark | Action::Auto)) => {
            return compositor_ipc::request("theme-set-mode",serde_json::json!({"mode": match action { Action::Light => "light", Action::Dark => "dark", _ => "auto" }})).map(|_|());
        }
        Target::Action(Action::Logout) => {
            return compositor_ipc::request("request-logout", serde_json::json!({})).map(|_| ());
        }
        Target::Action(Action::Lock) => std::process::Command::new("ferese-lock"),
        Target::Action(Action::Screenshot) => return screenshot(),
        _ => return Err("Action unavailable".into()),
    };
    spawn(&mut command)
 }
 fn terminal_command(terminal: &[String]) -> Result<std::process::Command, String> {
    let (program, options) = terminal
        .split_first()
        .filter(|(program, _)| !program.is_empty())
        .ok_or("No terminal command configured")?;
    let mut command = std::process::Command::new(program);
    command.args(options);
    let name = std::path::Path::new(program)
        .file_name()
        .and_then(|name| name.to_str())
        .unwrap_or(program);
    match name {
        "foot" | "footclient" | "kitty" | "gnome-terminal" | "kgx" => {
            command.arg("--");
        }
        "wezterm" if !options.iter().any(|option| option == "start") => {
            command.args(["start", "--"]);
        }
        "wezterm" => {
            command.arg("--");
        }
        _ => {
            command.arg("-e");
        }
    }
    Ok(command)
 }
 fn open(program: &str, args: &[&std::ffi::OsStr]) -> Result<(), String> {
    let mut command = std::process::Command::new(program);
    command.args(args);
    public_environment(&mut command);
    use std::io::{Read, Seek};
    let mut stderr = tempfile::tempfile().map_err(|e| e.to_string())?;
    command
        .stdout(std::process::Stdio::null())
        .stderr(stderr.try_clone().map_err(|e| e.to_string())?);
    // Waiting for gio's status must not wait for an application's inherited pipes.
    let status = command.status().map_err(|e| e.to_string())?;
    if status.success() {
        return Ok(());
    }
    stderr.rewind().map_err(|e| e.to_string())?;
    let mut error = String::new();
    let _ = stderr.take(1024).read_to_string(&mut error);
    if error.trim().is_empty() {
        Err(format!("{program} exited with {status}"))
    } else {
        Err(error.trim().chars().take(240).collect())
    }
 }
 fn public_environment(command: &mut std::process::Command) {
    command
        .stdin(std::process::Stdio::null())
        .env_remove("WAYLAND_SOCKET")
        .env_remove("FERESE_SHELL_CONTROL_SOCKET");
    if let Some(display) = std::env::var_os("FERESE_PUBLIC_WAYLAND_DISPLAY") {
        command.env("WAYLAND_DISPLAY", display);
    }
 }
 fn spawn(command: &mut std::process::Command) -> Result<(), String> {
    public_environment(command);
    let mut child = command.spawn().map_err(|e| e.to_string())?;
    std::thread::spawn(move || {
        let _ = child.wait();
    });
    Ok(())
 }
 fn screenshot() -> Result<(), String> {
    let home = std::env::var_os("HOME").ok_or("No home directory")?;
    let directory = std::path::PathBuf::from(home).join("Pictures/Screenshots");
    std::fs::create_dir_all(&directory).map_err(|e| e.to_string())?;
    let file = tempfile::Builder::new()
        .prefix("Ferese-")
        .suffix(".png")
        .tempfile_in(&directory)
        .map_err(|e| e.to_string())?;
    let mut command = std::process::Command::new("feresectl");
    command
        .arg("screenshot")
        .stdout(file.reopen().map_err(|e| e.to_string())?)
        .stderr(std::process::Stdio::piped());
    public_environment(&mut command);
    let output = command.output().map_err(|e| e.to_string())?;
    if !output.status.success() {
        return Err(String::from_utf8_lossy(&output.stderr)
            .trim()
            .chars()
            .take(240)
            .collect());
    }
    file.keep().map_err(|e| e.to_string())?;
    Ok(())
 }
@@ -0,0 +1,675 @@
 mod apps;
 pub(super) mod files;
 mod icons;
 mod launch;
 mod sources;
 #[cfg(test)]
 mod tests;
 mod thumbnails;
 mod view;
 mod work;
 use super::*;
 use cosmic::iced::keyboard::{Key, key::Named};
 use ferese_animation::{AnimatedValue, SpringConfig};
 use sources::{Category, Row, Source, Target};
 use std::sync::Arc;
 #[derive(Clone, Debug)]
 pub(super) enum Message {
    Input(window::Id, String),
    Browse(window::Id, Category),
    ActivateRow(window::Id, sources::ResultId),
    Accept(bool),
    Tick,
    AppsScrolled(window::Id, usize),
    Loaded(window::Id, Arc<apps::Apps>),
    Results(window::Id, u64, Vec<Row>, files::Status),
    Launched(window::Id, Result<(), String>),
    Finished(Result<(), String>),
 }
 pub(super) struct Launcher {
    pub id: window::Id,
    pub(super) output: String,
    top: f32,
    input: cosmic::widget::Id,
    query: String,
    category: Option<Category>,
    alternatives: bool,
    category_focused: bool,
    ghost_visible: bool,
    selected: usize,
    rows: Vec<Row>,
    apps: Option<Arc<apps::Apps>>,
    revision: u64,
    running: bool,
    activating: bool,
    after_close: Option<Target>,
    error: Option<String>,
    file_status: files::Status,
    preferred_result: Option<sources::ResultId>,
    closing: bool,
    keyboard_nav: bool,
    progress: AnimatedValue,
    height: AnimatedValue,
    tick: Instant,
    thumbnails: thumbnails::Thumbnails,
    effects: Option<EffectsBinding>,
    regions: motion::Regions,
    refresh: Instant,
    lifetime: work::Cancellation,
    search_cancel: work::Cancellation,
    file_icons: Arc<std::sync::Mutex<icons::FileIcons>>,
    apps_first_row: usize,
    windows: sources::Windows,
    apps_scroll_id: cosmic::widget::Id,
 }
 impl Launcher {
    fn status_message(&self) -> Option<&str> {
        self.error.as_deref().or_else(|| self.file_status.message())
    }
    fn apps_browse(&self) -> bool {
        self.query.is_empty() && self.category == Some(Category::Apps)
    }
    fn target_height(&self) -> f64 {
        if self.query.is_empty() && self.category.is_none() {
            72.
        } else if self.query.is_empty() && self.category == Some(Category::Windows) {
            220.
        } else if self.apps_browse() {
            80. + self.rows.len().div_ceil(4).clamp(1, 3) as f64 * 108.
        } else if self.alternatives || (self.query.is_empty() && self.category.is_some()) {
            88. + self.rows.len().clamp(1, 5) as f64 * 60.
        } else {
            72.
        }
    }
    fn changed(&mut self) {
        self.search_cancel.cancel();
        self.apps_first_row = 0;
        self.revision = self.revision.wrapping_add(1);
        self.error = None;
        self.file_status = files::Status::Ready;
        self.preferred_result = None;
        self.selected = 0;
        self.category_focused = false;
        self.rows.clear();
    }
    fn escape(&mut self) -> bool {
        if !self.query.is_empty() {
            self.query.clear();
            self.alternatives = false;
            self.changed();
            false
        } else if self.category.take().is_some() {
            self.alternatives = false;
            self.changed();
            false
        } else {
            true
        }
    }
 }
 impl FereseShell {
    pub(super) fn attach_launcher_effects(&mut self, id: window::Id, surface: &wl_surface::WlSurface) {
        let Some(launcher) = self.launcher.as_mut().filter(|launcher| launcher.id == id) else {
            return;
        };
        if launcher.effects.is_none() {
            match EffectsBinding::attach_role(&mut self.effects_context, surface, None, 0.) {
                Ok(binding) => launcher.effects = Some(binding),
                Err(error) => eprintln!("ferese-shell: launcher material unavailable: {error}"),
            }
        }
    }
    pub(super) fn toggle_launcher(&mut self, name: String) -> Task<super::Message> {
        if self.launcher.is_some() {
            return self.close_launcher();
        }
        let Some(output) = self
            .outputs
            .iter()
            .find(|o| o.name.as_deref() == Some(&name))
            .or_else(|| self.outputs.first())
        else {
            return Task::none();
        };
        let name = output.name.clone().unwrap_or(name);
        let wl_output = output.output.clone();
        let top = output.size.map_or(240., |(_, h)| h as f32 * 0.3);
        let dismissed = Task::batch([self.destroy_menu(), self.destroy_system_modal(true)]);
        let id = window::Id::unique();
        let mut progress = AnimatedValue::new(0.);
        progress.set_target(1.);
        if !self.render.motion.motion_enabled() {
            progress.snap();
        }
        let lifetime = work::Cancellation::default();
        let load_cancel = lifetime.clone();
        self.launcher = Some(Launcher {
            id,
            output: name,
            top,
            input: cosmic::widget::Id::unique(),
            query: String::new(),
            category: None,
            alternatives: false,
            category_focused: false,
            ghost_visible: true,
            selected: 0,
            rows: Vec::new(),
            apps: None,
            revision: 0,
            running: false,
            activating: false,
            after_close: None,
            error: None,
            file_status: files::Status::Ready,
            preferred_result: None,
            closing: false,
            keyboard_nav: self.core.keyboard_nav(),
            progress,
            height: AnimatedValue::new(72.),
            tick: Instant::now(),
            thumbnails: Default::default(),
            effects: None,
            regions: Default::default(),
            refresh: Instant::now(),
            lifetime,
            search_cancel: Default::default(),
            file_icons: Default::default(),
            apps_first_row: 0,
            windows: Default::default(),
            apps_scroll_id: cosmic::widget::Id::unique(),
        });
        self.core.set_keyboard_nav(false);
        let surface = cosmic::surface::action::app_layer_shell::<Self>(
            |_| Default::default(),
            move |_| SctkLayerSurfaceSettings {
                id,
                layer: Layer::Overlay,
                keyboard_interactivity: KeyboardInteractivity::Exclusive,
                anchor: Anchor::TOP | Anchor::BOTTOM | Anchor::LEFT | Anchor::RIGHT,
                output: IcedOutput::Output(wl_output.clone()),
                namespace: "ferese-launcher".into(),
                exclusive_zone: -1,
                size: Some((None, None)),
                ..Default::default()
            },
            Some(Box::new(move |app| app.view_launcher(id))),
        );
        Task::batch([
            dismissed,
            cosmic::task::message(cosmic::Action::Surface(surface)),
            Task::perform(
                async move {
                    tokio::task::spawn_blocking(move || apps::Apps::load(&load_cancel))
                        .await
                        .map(Arc::new)
                        .unwrap_or_else(|_| Arc::new(apps::Apps::empty()))
                },
                move |apps| cosmic::Action::App(super::Message::Launcher(Message::Loaded(id, apps))),
            ),
        ])
    }
    pub(super) fn destroy_launcher(&mut self) -> Task<super::Message> {
        let Some(launcher) = self.launcher.take() else {
            return Task::none();
        };
        launcher.lifetime.cancel();
        launcher.search_cancel.cancel();
        self.core.set_keyboard_nav(launcher.keyboard_nav);
        destroy_layer_surface(launcher.id)
    }
    fn close_launcher(&mut self) -> Task<super::Message> {
        let Some(launcher) = &mut self.launcher else {
            return Task::none();
        };
        launcher.lifetime.cancel();
        launcher.search_cancel.cancel();
        launcher.closing = true;
        launcher.progress.set_target(0.);
        if !self.render.motion.motion_enabled() {
            return self.finish_launcher();
        }
        Task::none()
    }
    fn finish_launcher(&mut self) -> Task<super::Message> {
        let target = self.launcher.as_mut().and_then(|l| l.after_close.take());
        let close = self.destroy_launcher();
        if let Some(target) = target {
            let terminal = self.config.terminal.clone();
            close.chain(Task::perform(
                async move {
                    tokio::time::sleep(Duration::from_millis(100)).await;
                    tokio::task::spawn_blocking(move || launch::run(target, &terminal))
                        .await
                        .unwrap_or_else(|e| Err(e.to_string()))
                },
                |result| cosmic::Action::App(super::Message::Launcher(Message::Finished(result))),
            ))
        } else {
            close
        }
    }
    pub(super) fn launcher_subscription(&self) -> Subscription<super::Message> {
        let Some(launcher) = &self.launcher else {
            return Subscription::none();
        };
        let interval = if launcher.progress.is_animating() || launcher.height.needs_update(launcher.target_height()) {
            16
        } else if launcher.category == Some(Category::Windows) && launcher.query.is_empty() {
            500
        } else if matches!(launcher.file_status, files::Status::Indexing) {
            1000
        } else {
            return Subscription::none();
        };
        cosmic::iced::time::every(Duration::from_millis(interval)).map(|_| super::Message::Launcher(Message::Tick))
    }
    pub(super) fn refresh_launcher(&mut self) -> Task<super::Message> {
        self.merge_launcher_windows(false)
    }
    fn merge_launcher_windows(&mut self, force: bool) -> Task<super::Message> {
        let Some(launcher) = &mut self.launcher else {
            return Task::none();
        };
        if launcher.closing
            || (launcher.query.is_empty() && launcher.category.is_none())
            || !launcher.category.is_none_or(|category| category == Category::Windows)
        {
            return Task::none();
        }
        let changed = launcher
            .windows
            .sync(&self.snapshot, launcher.apps.as_deref(), &launcher.query);
        if !changed && !force {
            return Task::none();
        }
        let selected = launcher.rows.get(launcher.selected).map(|row| row.id.clone());
        launcher.rows.retain(|row| !matches!(row.target, Target::Window(_)));
        launcher.rows.extend(launcher.windows.rows().cloned());
        sources::rank(&mut launcher.rows);
        if launcher.category.is_none() {
            launcher.rows.truncate(100);
        }
        launcher.selected = selected
            .and_then(|id| launcher.rows.iter().position(|row| row.id == id))
            .unwrap_or(0);
        Task::none()
    }
    fn query_launcher(&mut self) -> Task<super::Message> {
        let Some(launcher) = &mut self.launcher else {
            return Task::none();
        };
        if launcher.running || launcher.closing || (launcher.query.is_empty() && launcher.category.is_none()) {
            return Task::none();
        }
        let Some(apps) = launcher.apps.clone() else {
            return Task::none();
        };
        launcher.running = true;
        launcher.search_cancel = work::Cancellation::default();
        let cancel = launcher.search_cancel.clone();
        let file_icons = launcher.file_icons.clone();
        let (id, revision, query, category) = (
            launcher.id,
            launcher.revision,
            launcher.query.clone(),
            launcher.category,
        );
        let files = self.launcher_files.clone();
        Task::perform(
            async move {
                tokio::task::spawn_blocking(move || {
                    let mut rows = Vec::new();
                    if !cancel.cancelled() && category.is_none_or(|c| c == Category::Apps) {
                        rows.extend(apps.search(&query, &cancel));
                    }
                    if !cancel.cancelled() && category.is_none_or(|c| c == Category::Files) {
                        rows.extend(files.search(&query, &cancel, &file_icons));
                    }
                    if !cancel.cancelled() && category.is_none() {
                        rows.extend(sources::Actions.query(&query));
                    }
                    if cancel.cancelled() {
                        return (Vec::new(), files::Status::Ready);
                    }
                    sources::rank(&mut rows);
                    if category.is_none() {
                        rows.truncate(100);
                    }
                    (
                        rows,
                        if category.is_none_or(|c| c == Category::Files) {
                            files.status()
                        } else {
                            files::Status::Ready
                        },
                    )
                })
                .await
                .unwrap_or_else(|e| (Vec::new(), files::Status::Unavailable(e.to_string())))
            },
            move |(rows, status)| {
                cosmic::Action::App(super::Message::Launcher(Message::Results(id, revision, rows, status)))
            },
        )
    }
    pub(super) fn update_launcher(&mut self, message: Message) -> Task<super::Message> {
        if let Message::Finished(result) = message {
            if let Err(error) = result {
                self.notifications.service_error("Launcher action failed", &error);
            }
            return Task::none();
        }
        let Some(launcher) = &mut self.launcher else {
            return Task::none();
        };
        match message {
            Message::AppsScrolled(id, first) if id == launcher.id && launcher.apps_browse() => {
                launcher.apps_first_row = first.min(launcher.rows.len().div_ceil(4).saturating_sub(1));
                Task::none()
            }
            Message::Input(id, query) if id == launcher.id && !launcher.closing => {
                launcher.ghost_visible = launcher.query.starts_with(&query) || query.starts_with(&launcher.query);
                launcher.query = query;
                launcher.alternatives = false;
                launcher.changed();
                self.query_launcher()
            }
            Message::Browse(id, category) if id == launcher.id && !launcher.closing => {
                launcher.category = Some(category);
                launcher.query.clear();
                launcher.alternatives = false;
                launcher.changed();
                launcher.thumbnails = Default::default();
                let focus = cosmic::widget::text_input::focus(launcher.input.clone());
                Task::batch([focus, self.query_launcher()])
            }
            Message::ActivateRow(id, row) if id == launcher.id && !launcher.closing => {
                let Some(index) = launcher.rows.iter().position(|candidate| candidate.id == row) else {
                    return Task::none();
                };
                launcher.selected = index;
                self.activate_launcher(false)
            }
            Message::Accept(alt) => self.activate_launcher(alt),
            Message::Loaded(id, apps) if id == launcher.id => {
                launcher.apps = Some(apps);
                self.query_launcher()
            }
            Message::Results(id, revision, rows, status) if id == launcher.id => {
                launcher.running = false;
                if revision != launcher.revision {
                    return self.query_launcher();
                }
                let selected = launcher
                    .preferred_result
                    .take()
                    .or_else(|| launcher.rows.get(launcher.selected).map(|row| row.id.clone()));
                launcher.rows = rows;
                launcher.file_status = status;
                let task = self.merge_launcher_windows(true);
                let launcher = self.launcher.as_mut().unwrap();
                launcher.selected = selected
                    .and_then(|id| launcher.rows.iter().position(|row| row.id == id))
                    .unwrap_or(0);
                task
            }
            Message::Launched(id, result) if id == launcher.id => match result {
                Ok(()) => self.close_launcher(),
                Err(error) => {
                    launcher.activating = false;
                    launcher.error = Some(error);
                    Task::none()
                }
            },
            Message::Tick => {
                let now = Instant::now();
                let delta = now
                    .duration_since(launcher.tick)
                    .min(Duration::from_millis(64))
                    .mul_f64(self.render.motion.speed);
                launcher.tick = now;
                let base = self.render.motion.spring_config().unwrap_or_default();
                let stiffness = base.stiffness * if launcher.closing { 1.6 } else { 1. };
                let spring = SpringConfig {
                    stiffness,
                    damping: 2. * (stiffness * base.mass).sqrt(),
                    position_tolerance: 0.001,
                    velocity_tolerance: 0.001,
                    crossing: ferese_animation::CrossingPolicy::NoCrossing,
                    ..base
                };
                launcher.height.set_target(launcher.target_height());
                if self.render.motion.motion_enabled() {
                    launcher.progress.advance(delta, spring);
                    launcher.height.advance(delta, spring);
                } else {
                    launcher.progress.snap();
                    launcher.height.snap();
                }
                if launcher.closing && !launcher.progress.is_animating() {
                    return self.finish_launcher();
                }
                if !launcher.closing && launcher.query.is_empty() && launcher.category == Some(Category::Windows) {
                    if let Some(control) = &self.control {
                        launcher
                            .thumbnails
                            .refresh(&launcher.rows, launcher.selected, control, now);
                    }
                }
                if !launcher.closing
                    && now.duration_since(launcher.refresh) >= Duration::from_secs(1)
                    && matches!(launcher.file_status, files::Status::Indexing)
                {
                    launcher.refresh = now;
                    return self.query_launcher();
                }
                Task::none()
            }
            _ => Task::none(),
        }
    }
    pub(super) fn launcher_event(&mut self, event: &Event, id: window::Id) -> Option<Task<super::Message>> {
        let launcher = self.launcher.as_mut().filter(|l| l.id == id)?;
        if let Event::Window(window::Event::Opened { .. }) = event {
            return Some(Task::batch([
                cosmic::widget::text_input::focus(launcher.input.clone()),
                window::run(id, native_wayland_surface)
                    .map(move |surface| cosmic::Action::App(super::Message::NativeSurface(id, surface))),
            ]));
        }
        if matches!(
            event,
            Event::PlatformSpecific(PlatformSpecific::Wayland(wayland::Event::Layer(
                wayland::LayerEvent::Unfocused,
                ..
            )))
        ) {
            return Some(self.destroy_launcher());
        }
        if let Event::Window(window::Event::Closed) = event {
            return Some(self.destroy_launcher());
        }
        if launcher.closing {
            return Some(Task::none());
        }
        if matches!(event, Event::Mouse(cosmic::iced::mouse::Event::ButtonPressed(_))) {
            launcher.ghost_visible = false;
        }
        let Event::Keyboard(cosmic::iced::keyboard::Event::KeyPressed { key, modifiers, .. }) = event else {
            return None;
        };
        if launcher.query.is_empty() && launcher.category.is_none() {
            match key {
                Key::Named(Named::ArrowDown | Named::ArrowRight | Named::Tab) => {
                    launcher.selected = if launcher.category_focused {
                        (launcher.selected + 1) % 3
                    } else {
                        0
                    };
                    launcher.category_focused = true;
                    return Some(cosmic::widget::text_input::focus(launcher.input.clone()));
                }
                Key::Named(Named::ArrowLeft | Named::ArrowUp) => {
                    launcher.selected = (launcher.selected + 2) % 3;
                    launcher.category_focused = true;
                    return Some(cosmic::widget::text_input::focus(launcher.input.clone()));
                }
                _ => {}
            }
        }
        if launcher.apps_browse() {
            let next = match key {
                Key::Named(Named::ArrowLeft) => Some(launcher.selected.saturating_sub(1)),
                Key::Named(Named::ArrowRight) => Some(launcher.selected + 1),
                Key::Named(Named::ArrowUp) => Some(launcher.selected.saturating_sub(4)),
                Key::Named(Named::ArrowDown) => Some(launcher.selected + 4),
                _ => None,
            };
            if let Some(next) = next {
                launcher.selected = next.min(launcher.rows.len().saturating_sub(1));
                let rows = launcher.rows.len().div_ceil(4);
                launcher.apps_first_row = (launcher.selected / 4).saturating_sub(2);
                return Some(cosmic::iced::widget::scrollable::snap_to(
                    launcher.apps_scroll_id.clone(),
                    cosmic::iced::widget::scrollable::RelativeOffset {
                        x: None,
                        y: Some(if rows > 3 {
                            (launcher.selected / 4).saturating_sub(2) as f32 / (rows - 3) as f32
                        } else {
                            0.
                        }),
                    },
                ));
            }
        }
        Some(match key {
            Key::Named(Named::Escape) => {
                if launcher.escape() {
                    self.close_launcher()
                } else {
                    let focus = cosmic::widget::text_input::focus(launcher.input.clone());
                    Task::batch([focus, self.query_launcher()])
                }
            }
            Key::Named(Named::ArrowDown) => {
                if launcher.alternatives || launcher.query.is_empty() {
                    launcher.selected = (launcher.selected + 1).min(launcher.rows.len().saturating_sub(1));
                }
                launcher.alternatives = true;
                Task::none()
            }
            Key::Named(Named::ArrowUp) => {
                launcher.selected = launcher.selected.saturating_sub(1);
                Task::none()
            }
            Key::Named(Named::ArrowRight)
                if launcher.query.is_empty() && launcher.category == Some(Category::Windows) =>
            {
                launcher.selected = (launcher.selected + 1).min(launcher.rows.len().saturating_sub(1));
                Task::none()
            }
            Key::Named(Named::ArrowLeft)
                if launcher.query.is_empty() && launcher.category == Some(Category::Windows) =>
            {
                launcher.selected = launcher.selected.saturating_sub(1);
                Task::none()
            }
            Key::Named(Named::Tab) if !launcher.query.is_empty() => {
                if let Some(row) = launcher.rows.get(launcher.selected) {
                    let preferred = row.id.clone();
                    launcher.query = row.title.clone();
                    launcher.changed();
                    launcher.preferred_result = Some(preferred);
                }
                let focus = cosmic::widget::text_input::focus(launcher.input.clone());
                let cursor = cosmic::widget::text_input::move_cursor_to_end(launcher.input.clone());
                Task::batch([focus, cursor, self.query_launcher()])
            }
            Key::Named(Named::ArrowLeft | Named::ArrowRight | Named::Home) => {
                launcher.ghost_visible = false;
                Task::none()
            }
            Key::Named(Named::End) => {
                launcher.ghost_visible = true;
                Task::none()
            }
            Key::Named(Named::Tab) => cosmic::widget::text_input::focus(launcher.input.clone()),
            Key::Named(Named::Enter) => self.activate_launcher(modifiers.alt()),
            _ => Task::none(),
        })
    }
    fn activate_launcher(&mut self, alt: bool) -> Task<super::Message> {
        let Some(launcher) = &mut self.launcher else {
            return Task::none();
        };
        if launcher.closing || launcher.running || launcher.activating {
            return Task::none();
        }
        if launcher.query.is_empty() && launcher.category.is_none() && launcher.category_focused {
            let category = [Category::Apps, Category::Files, Category::Windows][launcher.selected.min(2)];
            let id = launcher.id;
            return self.update_launcher(Message::Browse(id, category));
        }
        let Some(row) = launcher.rows.get(launcher.selected) else {
            return Task::none();
        };
        if row.requires_alt() && !alt {
            launcher.error = Some("Use Alt+Enter to confirm".into());
            return Task::none();
        }
        let target = row.target.clone();
        let id = launcher.id;
        let terminal = self.config.terminal.clone();
        if matches!(target, Target::Action(sources::Action::Screenshot)) {
            launcher.after_close = Some(target);
            return self.close_launcher();
        }
        if let Target::Window(window) = target {
            if let Some(control) = &self.control {
                if alt {
                    if let Some(workspace) = self
                        .snapshot
                        .outputs
                        .iter()
                        .find(|o| o.name == launcher.output)
                        .map(|o| o.active_workspace)
                    {
                        control.move_window_to_workspace(window, workspace);
                    }
                } else {
                    control.activate_window(window);
                }
            }
            return self.close_launcher();
        }
        use sources::Action;
        if let Target::Action(action) = target {
            let power = match action {
                Action::Poweroff => Some(system_modal::PowerAction::Poweroff),
                Action::Reboot => Some(system_modal::PowerAction::Reboot),
                Action::Suspend => Some(system_modal::PowerAction::Suspend),
                _ => None,
            };
            if let Some(power) = power {
                let close = self.destroy_launcher();
                let open = self.open_system_modal(power, None);
                return Task::batch([close, open]);
            }
        }
        launcher.activating = true;
        Task::perform(
            async move {
                tokio::task::spawn_blocking(move || launch::run(target, &terminal))
                    .await
                    .unwrap_or_else(|e| Err(e.to_string()))
            },
            move |result| cosmic::Action::App(super::Message::Launcher(Message::Launched(id, result))),
        )
    }
 }
@@ -0,0 +1,297 @@
 use crate::control::ShellSnapshot;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub(crate) enum Category {
    Apps,
    Files,
    Windows,
 }
 impl Category {
    pub(super) fn label(self) -> &'static str {
        match self {
            Self::Apps => "Apps",
            Self::Files => "Files",
            Self::Windows => "Windows",
        }
    }
 }
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub(crate) enum Action {
    Light,
    Dark,
    Auto,
    Screenshot,
    Lock,
    Suspend,
    Poweroff,
    Reboot,
    Logout,
 }
 impl Action {
    pub(super) fn destructive(self) -> bool {
        matches!(self, Self::Poweroff | Self::Reboot | Self::Logout)
    }
 }
 #[derive(Clone, Debug)]
 pub(crate) enum Target {
    App { id: String, desktop: PathBuf },
    File(Arc<Path>),
    Window(u64),
    Action(Action),
 }
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub(crate) enum ResultId {
    App(Arc<str>),
    File(Arc<Path>),
    Window(u64),
    Action(Action),
 }
 impl From<&str> for ResultId {
    fn from(value: &str) -> Self {
        Self::App(value.into())
    }
 }
 #[derive(Clone, Debug)]
 pub(crate) struct Row {
    pub id: ResultId,
    pub title: String,
    pub icon: Option<cosmic::widget::icon::Handle>,
    pub subtitle: String,
    pub target: Target,
    pub score: f64,
 }
 impl Row {
    pub(super) fn category(&self) -> Option<Category> {
        match self.target {
            Target::App { .. } => Some(Category::Apps),
            Target::File(_) => Some(Category::Files),
            Target::Window(_) => Some(Category::Windows),
            Target::Action(_) => None,
        }
    }
    pub(super) fn requires_alt(&self) -> bool {
        matches!(self.target, Target::Action(action) if action.destructive())
    }
 }
 pub(super) trait Source {
    fn query(&self, query: &str) -> Vec<Row>;
 }
 // Normalize the query once, and reuse normalized catalog names across keystrokes.
 pub(super) struct Matcher(String);
 impl Matcher {
    pub(super) fn new(query: &str) -> Self {
        Self(query.trim().to_lowercase())
    }
    pub(super) fn score(&self, text: &str) -> Option<f64> {
        if self.0.is_empty() {
            return Some(0.);
        }
        self.normalized(&text.to_lowercase())
    }
    pub(super) fn normalized(&self, text: &str) -> Option<f64> {
        let query = &self.0;
        if query.is_empty() {
            return Some(0.);
        }
        if text == query {
            return Some(1000.);
        }
        if text.starts_with(query) {
            return Some(800. - text.chars().count() as f64 * 0.1);
        }
        if let Some(offset) = text.find(query) {
            return Some(600. - offset as f64);
        }
        let mut remaining = query.chars();
        let mut next = remaining.next()?;
        for ch in text.chars() {
            if ch == next {
                match remaining.next() {
                    Some(ch) => next = ch,
                    None => return Some(300. - text.chars().count() as f64 * 0.1),
                }
            }
        }
        None
    }
 }
 #[cfg(test)]
 pub(super) fn match_score(query: &str, text: &str) -> Option<f64> {
    Matcher::new(query).score(text)
 }
 pub(super) fn rank(rows: &mut Vec<Row>) {
    // Group duplicate identities without allocating cloned IDs or a hash table.
    rows.sort_unstable_by(|a, b| {
        a.id.cmp(&b.id)
            .then_with(|| b.score.total_cmp(&a.score))
            .then_with(|| a.title.cmp(&b.title))
    });
    rows.dedup_by(|a, b| a.id == b.id);
    rows.sort_unstable_by(|a, b| {
        b.score
            .total_cmp(&a.score)
            .then_with(|| a.title.cmp(&b.title))
            .then_with(|| a.id.cmp(&b.id))
    });
 }
 #[derive(Default)]
 pub(super) struct Windows {
    entries: std::collections::HashMap<u64, WindowEntry>,
    workspaces: std::collections::HashMap<u64, String>,
    workspace_ids: std::collections::HashSet<u64>,
    query: String,
    apps_ready: bool,
 }
 struct WindowEntry {
    title: String,
    app_id: String,
    workspace: u64,
    workspace_name: String,
    result: Option<Row>,
    icon: Option<cosmic::widget::icon::Handle>,
    seen: bool,
 }
 impl Windows {
    pub(super) fn sync(&mut self, snapshot: &ShellSnapshot, apps: Option<&super::apps::Apps>, query: &str) -> bool {
        let query_changed = self.query != query || self.apps_ready != apps.is_some();
        if self.query != query {
            self.query.clear();
            self.query.push_str(query);
        }
        self.apps_ready = apps.is_some();
        let matcher = Matcher::new(query);
        self.workspace_ids.clear();
        for workspace in &snapshot.workspaces {
            self.workspace_ids.insert(workspace.id);
            self.workspaces
                .entry(workspace.id)
                .or_default()
                .clone_from(&workspace.name);
        }
        self.workspaces.retain(|id, _| self.workspace_ids.contains(id));
        for entry in self.entries.values_mut() {
            entry.seen = false;
        }
        let mut changed = query_changed;
        for window in &snapshot.windows {
            let name = self.workspaces.get(&window.workspace).map_or("?", String::as_str);
            if let Some(entry) = self.entries.get_mut(&window.id) {
                entry.seen = true;
                if !query_changed
                    && entry.title == window.title
                    && entry.app_id == window.app_id
                    && entry.workspace == window.workspace
                    && entry.workspace_name == name
                {
                    continue;
                }
            }
            let title = if window.title.is_empty() {
                &window.app_id
            } else {
                &window.title
            };
            let score = matcher
                .score(title)
                .into_iter()
                .chain(matcher.score(&window.app_id))
                .max_by(f64::total_cmp);
            let icon = apps.and_then(|apps| apps.icon(&window.app_id));
            let result = score.map(|score| Row {
                id: ResultId::Window(window.id),
                title: title.clone(),
                icon: icon.clone(),
                subtitle: format!("Window · Workspace {name}"),
                target: Target::Window(window.id),
                score,
            });
            self.entries.insert(
                window.id,
                WindowEntry {
                    title: window.title.clone(),
                    app_id: window.app_id.clone(),
                    workspace: window.workspace,
                    workspace_name: name.into(),
                    result,
                    icon,
                    seen: true,
                },
            );
            changed = true;
        }
        self.entries.retain(|_, entry| {
            if !entry.seen {
                changed = true;
            }
            entry.seen
        });
        changed
    }
    pub(super) fn rows(&self) -> impl Iterator<Item = &Row> {
        self.entries.values().filter_map(|entry| entry.result.as_ref())
    }
 }
 impl Source for Windows {
    fn query(&self, query: &str) -> Vec<Row> {
        if self.query == query {
            return self.rows().cloned().collect();
        }
        let matcher = Matcher::new(query);
        self.entries
            .iter()
            .filter_map(|(id, entry)| {
                let title = if entry.title.is_empty() {
                    &entry.app_id
                } else {
                    &entry.title
                };
                let score = matcher
                    .score(title)
                    .into_iter()
                    .chain(matcher.score(&entry.app_id))
                    .max_by(f64::total_cmp)?;
                Some(Row {
                    id: ResultId::Window(*id),
                    title: title.clone(),
                    icon: entry.icon.clone(),
                    subtitle: format!("Window · Workspace {}", entry.workspace_name),
                    target: Target::Window(*id),
                    score,
                })
            })
            .collect()
    }
 }
 pub(super) struct Actions;
 impl Source for Actions {
    fn query(&self, query: &str) -> Vec<Row> {
        let matcher = Matcher::new(query);
        [
            ("Light theme", Action::Light),
            ("Dark theme", Action::Dark),
            ("Automatic theme", Action::Auto),
            ("Take screenshot", Action::Screenshot),
            ("Lock screen", Action::Lock),
            ("Suspend", Action::Suspend),
            ("Power off", Action::Poweroff),
            ("Restart", Action::Reboot),
            ("Log out", Action::Logout),
        ]
        .into_iter()
        .filter_map(|(title, action)| {
            let score = matcher.score(title)?;
            Some(Row {
                id: ResultId::Action(action),
                icon: None,
                title: title.into(),
                subtitle: "Action".into(),
                target: Target::Action(action),
                score,
            })
        })
        .collect()
    }
 }
@@ -0,0 +1,180 @@
 use super::*;
 fn shell() -> FereseShell {
    let mut shell = crate::tests::shell_with_measured_panel();
    let _ = shell.toggle_launcher("test".into());
    shell
 }
 fn row(title: &str) -> Row {
    Row {
        id: title.into(),
        title: title.into(),
        icon: None,
        subtitle: "Action".into(),
        target: Target::Action(sources::Action::Lock),
        score: 1.,
    }
 }
 #[test]
 fn escape_pops_one_layer_in_every_category() {
    let mut shell = shell();
    let launcher = shell.launcher.as_mut().unwrap();
    for category in [
        None,
        Some(Category::Apps),
        Some(Category::Files),
        Some(Category::Windows),
    ] {
        launcher.category = category;
        launcher.query = "term".into();
        launcher.alternatives = true;
        assert!(!launcher.escape());
        assert!(launcher.query.is_empty());
        assert!(!launcher.alternatives);
        assert_eq!(launcher.category, category);
        if category.is_some() {
            assert!(!launcher.escape());
            assert_eq!(launcher.category, None);
        }
        assert!(launcher.escape());
    }
 }
 #[test]
 fn typing_never_opens_alternates_and_empty_home_has_pills() {
    let mut shell = shell();
    let _ = shell.update_launcher(Message::Input(shell.launcher.as_ref().unwrap().id, "fire".into()));
    let launcher = shell.launcher.as_mut().unwrap();
    assert!(!launcher.alternatives);
    assert_eq!(launcher.target_height(), 72.);
    launcher.rows = vec![row("Firefox"), row("Files")];
    launcher.alternatives = true;
    assert_eq!(launcher.target_height(), 208.);
    assert!(!launcher.escape());
    assert_eq!(launcher.target_height(), 72.);
 }
 #[test]
 fn late_results_cannot_replace_a_new_query_or_invocation() {
    let mut shell = shell();
    let id = shell.launcher.as_ref().unwrap().id;
    let _ = shell.update_launcher(Message::Input(id, "new".into()));
    let _ = shell.update_launcher(Message::Results(id, 0, vec![row("old")], files::Status::Ready));
    assert!(shell.launcher.as_ref().unwrap().rows.is_empty());
    let _ = shell.destroy_launcher();
    let _ = shell.update_launcher(Message::Results(id, 1, vec![row("old")], files::Status::Ready));
    assert!(shell.launcher.is_none());
    let _ = shell.toggle_launcher("test".into());
    let _ = shell.update_launcher(Message::Results(id, 0, vec![row("old")], files::Status::Ready));
    assert!(shell.launcher.as_ref().unwrap().rows.is_empty());
 }
 #[test]
 fn selection_survives_result_reordering() {
    let mut shell = shell();
    let launcher = shell.launcher.as_mut().unwrap();
    launcher.rows = vec![row("one"), row("two")];
    launcher.selected = 1;
    let (id, revision) = (launcher.id, launcher.revision);
    let _ = shell.update_launcher(Message::Results(
        id,
        revision,
        vec![row("two"), row("one")],
        files::Status::Ready,
    ));
    assert_eq!(shell.launcher.as_ref().unwrap().selected, 0);
 }
 #[test]
 fn destructive_actions_require_alt() {
    for action in [
        sources::Action::Poweroff,
        sources::Action::Reboot,
        sources::Action::Logout,
    ] {
        let mut shell = shell();
        let mut result = row("dangerous");
        result.target = Target::Action(action);
        shell.launcher.as_mut().unwrap().rows = vec![result];
        let _ = shell.activate_launcher(false);
        let launcher = shell.launcher.as_ref().unwrap();
        assert!(!launcher.closing);
        assert!(!launcher.activating);
        assert_eq!(launcher.error.as_deref(), Some("Use Alt+Enter to confirm"));
        assert!(shell.system_modal.is_none());
    }
 }
 #[test]
 fn rank_is_deterministic_and_deduplicates_ids() {
    let mut rows = vec![row("B"), row("A"), row("B")];
    sources::rank(&mut rows);
    assert_eq!(
        rows.iter().map(|r| r.title.as_str()).collect::<Vec<_>>(),
        vec!["A", "B"]
    );
    assert!(sources::match_score("é", "Éditeur").is_some());
    assert!(sources::match_score("nope", "Terminal").is_none());
 }
 #[test]
 fn close_releases_catalog_and_restores_keyboard_navigation() {
    let mut shell = shell();
    let apps = Arc::new(apps::Apps::empty());
    let weak = Arc::downgrade(&apps);
    shell.launcher.as_mut().unwrap().apps = Some(apps);
    shell.launcher.as_mut().unwrap().keyboard_nav = true;
    let _ = shell.destroy_launcher();
    assert!(weak.upgrade().is_none());
    assert!(shell.core.keyboard_nav());
    assert!(shell.launcher.is_none());
 }
 #[test]
 fn queries_are_coalesced_and_only_the_latest_result_is_applied() {
    let mut shell = shell();
    let launcher = shell.launcher.as_mut().unwrap();
    launcher.apps = Some(Arc::new(apps::Apps::empty()));
    launcher.running = true;
    let id = launcher.id;
    let _ = shell.update_launcher(Message::Input(id, "first".into()));
    let _ = shell.update_launcher(Message::Input(id, "second".into()));
    let revision = shell.launcher.as_ref().unwrap().revision;
    let _ = shell.update_launcher(Message::Results(id, 0, vec![row("stale")], files::Status::Ready));
    assert!(shell.launcher.as_ref().unwrap().running);
    assert!(shell.launcher.as_ref().unwrap().rows.is_empty());
    let _ = shell.update_launcher(Message::Results(
        id,
        revision,
        vec![row("current")],
        files::Status::Ready,
    ));
    assert!(!shell.launcher.as_ref().unwrap().running);
    assert_eq!(shell.launcher.as_ref().unwrap().rows[0].title, "current");
 }
 #[test]
 fn queued_widget_messages_cannot_change_a_reopened_launcher() {
    let mut shell = shell();
    let old = shell.launcher.as_ref().unwrap().id;
    let _ = shell.destroy_launcher();
    let _ = shell.toggle_launcher("test".into());
    let _ = shell.update_launcher(Message::Input(old, "stale paste".into()));
    let _ = shell.update_launcher(Message::Browse(old, Category::Files));
    let launcher = shell.launcher.as_ref().unwrap();
    assert!(launcher.query.is_empty());
    assert_eq!(launcher.category, None);
 }
 #[test]
 fn clicked_rows_keep_their_identity_after_a_result_refresh() {
    let mut shell = shell();
    let launcher = shell.launcher.as_mut().unwrap();
    let id = launcher.id;
    let mut power = row("power");
    power.target = Target::Action(sources::Action::Poweroff);
    let mut window = row("window");
    window.target = Target::Window(99);
    launcher.rows = vec![window, power];
    let _ = shell.update_launcher(Message::ActivateRow(id, "power".into()));
    let launcher = shell.launcher.as_ref().unwrap();
    assert_eq!(launcher.selected, 1);
    assert!(!launcher.closing);
    assert_eq!(launcher.error.as_deref(), Some("Use Alt+Enter to confirm"));
    let _ = shell.update_launcher(Message::ActivateRow(id, "vanished".into()));
    assert_eq!(shell.launcher.as_ref().unwrap().selected, 1);
 }
@@ -0,0 +1,83 @@
 use super::*;
 use std::collections::{HashMap, HashSet};
 use std::sync::atomic::{AtomicU32, Ordering};
 static NEXT_TOKEN: AtomicU32 = AtomicU32::new(1);
 pub(super) struct Thumbnails {
    token: u32,
    pub images: HashMap<u64, image::Handle>,
    pending: HashSet<u64>,
    updated: Option<Instant>,
    visible: [Option<u64>; 3],
 }
 impl Default for Thumbnails {
    fn default() -> Self {
        Self {
            token: NEXT_TOKEN.fetch_add(1, Ordering::Relaxed),
            images: HashMap::new(),
            pending: HashSet::new(),
            updated: None,
            visible: [None; 3],
        }
    }
 }
 impl Thumbnails {
    pub fn refresh(&mut self, rows: &[Row], selected: usize, control: &ShellControl, now: Instant) {
        if self
            .updated
            .is_some_and(|updated| now.duration_since(updated) < Duration::from_millis(500))
        {
            return;
        }
        self.visible = std::array::from_fn(|offset| {
            rows.get(selected.saturating_sub(2) + offset)
                .and_then(|row| match row.target {
                    Target::Window(id) => Some(id),
                    _ => None,
                })
        });
        self.images.retain(|id, _| self.visible.contains(&Some(*id)));
        for id in self.visible.into_iter().flatten() {
            if self.pending.len() < 3 && self.pending.insert(id) {
                control.thumbnail(self.token, id);
            }
        }
        self.updated = Some(now);
    }
 }
 impl FereseShell {
    pub(crate) fn launcher_thumbnail(&mut self, token: u32, window: u64, image: Option<image::Handle>) {
        let Some(launcher) = &mut self.launcher else {
            return;
        };
        if launcher.closing || launcher.thumbnails.token != token || !launcher.thumbnails.pending.remove(&window) {
            return;
        }
        if let Some(image) = image {
            launcher.thumbnails.images.insert(window, image);
        } else {
            launcher.thumbnails.images.remove(&window);
        }
    }
 }
 #[cfg(test)]
 mod tests {
    use super::*;
    #[test]
    fn thumbnail_replies_must_belong_to_the_open_invocation() {
        let mut shell = crate::tests::shell_with_measured_panel();
        let _ = shell.toggle_launcher("test".into());
        let launcher = shell.launcher.as_mut().unwrap();
        let token = launcher.thumbnails.token;
        launcher.thumbnails.pending.insert(1);
        let image = image::Handle::from_rgba(1, 1, vec![255, 0, 0, 255]);
        shell.launcher_thumbnail(token.wrapping_add(1), 1, Some(image.clone()));
        assert!(shell.launcher.as_ref().unwrap().thumbnails.images.is_empty());
        shell.launcher_thumbnail(token, 1, Some(image.clone()));
        assert_eq!(shell.launcher.as_ref().unwrap().thumbnails.images.len(), 1);
        let _ = shell.destroy_launcher();
        let _ = shell.toggle_launcher("test".into());
        shell.launcher_thumbnail(token, 1, Some(image));
        assert!(shell.launcher.as_ref().unwrap().thumbnails.images.is_empty());
    }
 }
@@ -0,0 +1,531 @@
 use super::*;
 use cosmic::iced::border::Shape;
 use cosmic::iced::widget::{Space, rich_text, span, stack};
 use cosmic::widget::{column, text_input};
 type Ui<'a> = Element<'a, cosmic::Action<super::super::Message>>;
 fn message(message: Message) -> cosmic::Action<super::super::Message> {
    cosmic::Action::App(super::super::Message::Launcher(message))
 }
 fn fill(color: Color, radius: f32) -> theme::Container<'static> {
    theme::Container::custom(move |_| container::Style {
        background: Some(color.into()),
        border: Border {
            radius: radius.into(),
            shape: Shape::Continuous,
            ..Default::default()
        },
        ..Default::default()
    })
 }
 fn button_style(color: Color) -> theme::Button {
    button_radius(color, 20.)
 }
 fn button_radius(color: Color, radius: f32) -> theme::Button {
    let paint = move |hovered| button::Style {
        background: Some(color.scale_alpha(if hovered { 0.18 } else { 0.09 }).into()),
        border_radius: radius.into(),
        border_width: 0.,
        shape: Some(Shape::Continuous),
        ..Default::default()
    };
    theme::Button::Custom {
        active: Box::new(move |_, _| paint(false)),
        hovered: Box::new(move |_, _| paint(true)),
        pressed: Box::new(move |_, _| paint(true)),
        disabled: Box::new(move |_| paint(false)),
    }
 }
 impl FereseShell {
    pub(super) fn view_launcher(&self, id: window::Id) -> Ui<'_> {
        motion::frame_driven(
            None,
            move |_| self.launcher_content(id),
            |_| false,
            move |_| {
                if let Some(launcher) = self.launcher.as_ref().filter(|launcher| launcher.id == id)
                    && let Some(effects) = &launcher.effects
                {
                    let _ = effects.set_presentation(
                        &launcher.regions.lock().unwrap(),
                        launcher.progress.current as f32,
                        [],
                        ferese_surface_effects_v1::Role::Popover,
                    );
                }
            },
            |_| None,
        )
    }
    fn launcher_content(&self, id: window::Id) -> Ui<'_> {
        let Some(launcher) = self.launcher.as_ref().filter(|l| l.id == id) else {
            return Space::new().into();
        };
        let palette = self.config.theme.palette();
        let opacity = launcher.progress.current as f32;
        let text = palette.text.scale_alpha(opacity);
        let muted = palette.muted.scale_alpha(opacity);
        let appearance = move |_: &cosmic::Theme| text_input::Appearance {
            shape: Some(Shape::Continuous),
            outline: None,
            background: Color::TRANSPARENT.into(),
            border_radius: 0.into(),
            border_offset: None,
            border_width: 0.,
            border_color: Color::TRANSPARENT,
            label_color: text,
            placeholder_color: muted,
            selected_text_color: text,
            icon_color: Some(text),
            text_color: Some(text),
            selected_fill: palette.accent.scale_alpha(0.3 * opacity),
        };
        let accent = palette.accent.scale_alpha(opacity);
        let medium = cosmic::font::Font {
            weight: cosmic::iced::font::Weight::Medium,
            ..self.render.font
        };
        let placeholder = launcher.category.map_or("Search", Category::label);
        let input = text_input(placeholder, &launcher.query)
            .id(launcher.input.clone())
            .font(self.render.font)
            .size(24)
            .line_height(cosmic::iced::widget::text::LineHeight::Absolute(32.into()))
            .padding(0)
            .on_input(move |value| message(Message::Input(id, value)))
            .style(theme::TextInput::Custom {
                active: Box::new(appearance),
                error: Box::new(appearance),
                hovered: Box::new(appearance),
                focused: Box::new(appearance),
                disabled: Box::new(appearance),
            });
        let completion = launcher
            .rows
            .get(launcher.selected)
            .filter(|_| !launcher.query.is_empty() && launcher.ghost_visible && launcher.query.chars().count() <= 28)
            .map(|row| {
                if row
                    .title
                    .get(..launcher.query.len())
                    .is_some_and(|prefix| prefix.eq_ignore_ascii_case(&launcher.query))
                {
                    std::borrow::Cow::Borrowed(&row.title[launcher.query.len()..])
                } else {
                    std::borrow::Cow::Owned(format!("  {}", row.title))
                }
            });
        let show_tab = completion.is_some();
        let completion_text = rich_text([
            span::<(), cosmic::font::Font>(&launcher.query).color(Color::TRANSPARENT),
            span(completion.unwrap_or_default()).color(text.scale_alpha(0.3)),
        ])
        .size(24)
        .line_height(cosmic::iced::widget::text::LineHeight::Absolute(32.into()))
        .wrapping(cosmic::iced::widget::text::Wrapping::None)
        .font(self.render.font);
        let mut suggestion = row![completion_text]
            .spacing(6)
            .align_y(cosmic::iced::Alignment::Center);
        if show_tab {
            suggestion = suggestion.push(
                container(
                    self.render
                        .text("Tab")
                        .size(12)
                        .line_height(cosmic::iced::widget::text::LineHeight::Absolute(14.into()))
                        .class(theme::Text::Color(muted)),
                )
                .padding([2, 6])
                .class(fill(text.scale_alpha(0.06), 5.)),
            );
        }
        // The input determines the layout even when the completion is empty.
        // Keep both layers present so result updates preserve focus and cursor state.
        let editor: Ui<'_> = stack![input]
            .push_under(suggestion)
            .width(Length::Fill)
            .clip(true)
            .into();
        let search_match = launcher
            .rows
            .get(launcher.selected)
            .filter(|_| !launcher.query.is_empty());
        let icon_category = search_match.map_or(launcher.category, Row::category);
        let icon = match icon_category {
            Some(Category::Windows) => ferese_theme::icons::WINDOW,
            Some(Category::Apps) => ferese_theme::icons::APPS,
            Some(Category::Files) => ferese_theme::icons::FOLDER,
            None if search_match.is_some() => ferese_theme::icons::morph::CONTROLS,
            None => ferese_theme::icons::SEARCH,
        };
        let icon_color = if search_match.is_some() || launcher.category.is_some() {
            accent
        } else {
            muted
        };
        let mut input_row = row![bar_icon(icon, 24, icon_color), editor]
            .spacing(16)
            .align_y(cosmic::iced::Alignment::Center);
        if let Some(handle) = search_match.and_then(|result| result.icon.clone()) {
            input_row = input_row.push(cosmic::widget::icon::icon(handle).size(28).opacity(opacity));
        }
        if launcher.query.is_empty() && launcher.category.is_none() {
            let dark = self.config.theme.appearance == ferese_config::theme::Appearance::Dark;
            let mut pills = row![].spacing(6);
            for (index, category) in [Category::Apps, Category::Files, Category::Windows]
                .into_iter()
                .enumerate()
            {
                let symbol = match category {
                    Category::Apps => ferese_theme::icons::APPS,
                    Category::Files => ferese_theme::icons::FOLDER,
                    Category::Windows => ferese_theme::icons::WINDOW,
                };
                let selected = launcher.category_focused && launcher.selected == index;
                let normal = if dark { 0.065 } else { 0.04 };
                let strong = if dark { 0.10 } else { 0.07 };
                let paint = move |alpha| button::Style {
                    background: Some(text.scale_alpha(alpha).into()),
                    border_radius: 16.into(),
                    border_width: 0.,
                    ..Default::default()
                };
                let label = self
                    .render
                    .text(category.label())
                    .font(medium)
                    .size(13)
                    .line_height(cosmic::iced::widget::text::LineHeight::Absolute(18.into()))
                    .class(theme::Text::Color(text));
                pills = pills.push(
                    button::custom(
                        row![bar_icon(symbol, 16, accent), label]
                            .spacing(7)
                            .align_y(cosmic::iced::Alignment::Center),
                    )
                    .height(32)
                    .padding(cosmic::iced::Padding {
                        top: 7.,
                        bottom: 7.,
                        left: 10.,
                        right: 13.,
                    })
                    .class(theme::Button::Custom {
                        active: Box::new(move |_, _| paint(if selected { strong } else { normal })),
                        hovered: Box::new(move |_, _| paint(strong)),
                        pressed: Box::new(move |_, _| paint(strong - 0.02)),
                        disabled: Box::new(move |_| paint(normal)),
                    })
                    .on_press(message(Message::Browse(id, category))),
                );
            }
            input_row = input_row.push(pills);
        }
        let input_content = if let Some(error) = launcher.status_message() {
            column![
                input_row,
                self.render.text(error).size(12).class(theme::Text::Color(muted))
            ]
            .spacing(2)
        } else {
            column![input_row]
        };
        let mut body = column![
            container(input_content)
                .height(72)
                .padding(cosmic::iced::Padding {
                    left: 24.,
                    right: 20.,
                    ..Default::default()
                })
                .align_y(cosmic::iced::Alignment::Center)
        ];
        if launcher.apps_browse() {
            let total = launcher.rows.len().div_ceil(4);
            let first = launcher.apps_first_row.min(total.saturating_sub(1)).saturating_sub(1);
            let end = (first + 6).min(total);
            let mut grid = cosmic::iced::widget::keyed_column(Vec::<(usize, Ui<'_>)>::new());
            if first > 0 {
                grid = grid.push(usize::MAX, Space::new().height(first as f32 * 108.));
            }
            for (row_index, apps) in launcher.rows.chunks(4).enumerate().skip(first).take(end - first) {
                let mut tiles = row![].spacing(12);
                for (column_index, app) in apps.iter().enumerate() {
                    let glyph: Ui<'_> = match &app.icon {
                        Some(handle) => cosmic::widget::icon::icon(handle.clone())
                            .size(44)
                            .opacity(opacity)
                            .into(),
                        None => bar_icon(ferese_theme::icons::APPS, 44, accent).into(),
                    };
                    let label = container(
                        self.render
                            .text(&app.title)
                            .font(medium)
                            .size(14)
                            .class(theme::Text::Color(text)),
                    )
                    .center_x(Length::Fill)
                    .height(20)
                    .clip(true);
                    tiles = tiles.push(
                        button::custom(
                            column![container(glyph).center_x(Length::Fill), label]
                                .spacing(8)
                                .align_x(cosmic::iced::Alignment::Center),
                        )
                        .width(Length::Fill)
                        .height(100)
                        .padding(12)
                        .class(button_style(if launcher.selected == row_index * 4 + column_index {
                            palette.accent.scale_alpha(opacity)
                        } else {
                            Color::TRANSPARENT
                        }))
                        .on_press(message(Message::ActivateRow(id, app.id.clone()))),
                    );
                }
                for _ in apps.len()..4 {
                    tiles = tiles.push(Space::new().width(Length::Fill));
                }
                grid = grid.push(
                    row_index,
                    container(tiles).height(if row_index + 1 == total { 100 } else { 108 }),
                );
            }
            if end < total {
                grid = grid.push(usize::MAX - 1, Space::new().height((total - end) as f32 * 108. - 8.));
            }
            if launcher.rows.is_empty() {
                grid = grid.push(
                    usize::MAX - 2,
                    container(
                        self.render
                            .text(if launcher.running { "Loading apps…" } else { "No apps" })
                            .size(14)
                            .class(theme::Text::Color(muted)),
                    )
                    .height(100),
                );
            }
            let height = launcher.rows.len().div_ceil(4).clamp(1, 3) as f32 * 108. - 8.;
            body = body.push(
                container(
                    cosmic::iced::widget::scrollable(grid)
                        .id(launcher.apps_scroll_id.clone())
                        .on_scroll(move |viewport| {
                            message(Message::AppsScrolled(
                                id,
                                (viewport.absolute_offset().y / 108.) as usize,
                            ))
                        })
                        .height(height),
                )
                .padding([0, 16]),
            );
        } else if launcher.query.is_empty() && launcher.category == Some(Category::Windows) {
            let mut cards = row![].spacing(12);
            for (index, result) in launcher
                .rows
                .iter()
                .enumerate()
                .skip(launcher.selected.saturating_sub(2))
                .take(3)
            {
                let Target::Window(id) = result.target else {
                    continue;
                };
                let window = self.snapshot.windows.iter().find(|w| w.id == id);
                let workspace = window.and_then(|w| self.snapshot.workspaces.iter().find(|ws| ws.id == w.workspace));
                let thumbnail: Ui<'_> = match launcher.thumbnails.images.get(&id) {
                    Some(handle) => image(handle.clone())
                        .width(Length::Fill)
                        .height(84)
                        .content_fit(ContentFit::Contain)
                        .opacity(opacity)
                        .into(),
                    None => container(bar_icon(ferese_theme::icons::WINDOW, 28, muted))
                        .center_x(Length::Fill)
                        .center_y(84)
                        .into(),
                };
                let badge = container(
                    self.render
                        .text(workspace.map_or("?", |w| w.name.as_str()))
                        .size(12)
                        .class(theme::Text::Color(text)),
                )
                .padding([3, 6])
                .class(fill(palette.sidebar.scale_alpha(opacity), 7.));
                let preview = container(stack![thumbnail, container(badge).padding(6)])
                    .clip(true)
                    .class(fill(palette.card.scale_alpha(opacity), 15.));
                let label = self
                    .render
                    .text(window.map_or(result.title.as_str(), |w| {
                        launcher
                            .apps
                            .as_ref()
                            .and_then(|apps| apps.name(&w.app_id))
                            .unwrap_or(if w.app_id.is_empty() { &w.title } else { &w.app_id })
                    }))
                    .size(14)
                    .class(theme::Text::Color(text));
                let selected = index == launcher.selected;
                let card = container(column![preview, label].spacing(8))
                    .padding(6)
                    .class(theme::Container::custom(move |_| container::Style {
                        border: Border {
                            radius: 20.into(),
                            width: if selected { 2. } else { 0. },
                            color: palette.accent.scale_alpha(opacity),
                            shape: Shape::Continuous,
                            ..Default::default()
                        },
                        ..Default::default()
                    }));
                cards = cards.push(
                    button::custom(card)
                        .width(Length::Fill)
                        .padding(0)
                        .class(button_style(Color::TRANSPARENT))
                        .on_press(message(Message::ActivateRow(launcher.id, result.id.clone()))),
                );
            }
            if launcher.rows.is_empty() {
                cards = cards.push(
                    self.render
                        .text("No open windows")
                        .size(14)
                        .class(theme::Text::Color(muted)),
                );
            }
            body = body.push(container(cards).padding([0, 16]));
        } else if launcher.alternatives || (launcher.query.is_empty() && launcher.category.is_some()) {
            let start = launcher.selected.saturating_sub(4);
            let mut rows = column![].spacing(0);
            for (index, result) in launcher.rows.iter().enumerate().skip(start).take(5) {
                let symbol = match result.category() {
                    Some(Category::Windows) => ferese_theme::icons::WINDOW,
                    Some(Category::Files) => ferese_theme::icons::FOLDER,
                    Some(Category::Apps) => ferese_theme::icons::APPS,
                    None => ferese_theme::icons::morph::CONTROLS,
                };
                let tone = accent;
                let result_icon: Ui<'_> = match &result.icon {
                    Some(handle) => cosmic::widget::icon::icon(handle.clone())
                        .size(24)
                        .opacity(opacity)
                        .into(),
                    None => bar_icon(symbol, 20, tone).into(),
                };
                let glyph = container(result_icon)
                    .center_x(36)
                    .center_y(36)
                    .class(fill(tone.scale_alpha(0.1), 12.));
                let labels = column![
                    self.render
                        .text(&result.title)
                        .font(medium)
                        .size(15)
                        .class(theme::Text::Color(text)),
                    self.render
                        .text(&result.subtitle)
                        .size(12.5)
                        .class(theme::Text::Color(muted))
                ]
                .spacing(3)
                .width(Length::Fill);
                let mut content = row![glyph, labels].spacing(12).align_y(cosmic::iced::Alignment::Center);
                if index == launcher.selected {
                    content = content.push(
                        self.render
                            .text(if result.requires_alt() { "Alt+Enter" } else { "Enter" })
                            .size(12)
                            .class(theme::Text::Color(muted)),
                    );
                }
                rows = rows.push(
                    button::custom(
                        container(content)
                            .height(60)
                            .clip(true)
                            .align_y(cosmic::iced::Alignment::Center),
                    )
                    .width(Length::Fill)
                    .padding([0, 12])
                    .class(button_radius(
                        if index == launcher.selected {
                            palette.accent.scale_alpha(opacity)
                        } else {
                            Color::TRANSPARENT
                        },
                        18.,
                    ))
                    .on_press(message(Message::ActivateRow(launcher.id, result.id.clone()))),
                );
            }
            if launcher.rows.is_empty() {
                rows = rows.push(
                    container(
                        self.render
                            .text(launcher.status_message().unwrap_or(if launcher.running {
                                "Searching…"
                            } else {
                                "No matches"
                            }))
                            .size(13)
                            .class(theme::Text::Color(muted)),
                    )
                    .height(60)
                    .padding(16),
                );
            }
            body = body.push(container(rows).padding([0, 12]));
        }
        let available_height = self
            .outputs
            .iter()
            .find(|o| o.name.as_deref() == Some(&launcher.output))
            .and_then(|o| o.size)
            .map(|(_, h)| h as f32);
        let top = available_height.map_or(launcher.top, |h| {
            (h * 0.3).min(h - launcher.height.current as f32 - 16.).max(16.)
        });
        let mut background = color_with_opacity(self.config.theme.surface_popover, opacity);
        if self.config.theme.high_contrast || self.config.theme.reduce_transparency {
            background.a = opacity;
        }
        let compositor_material = launcher.effects.is_some();
        let panel = container(body)
            .id("ferese-blur-card")
            .width(if launcher.apps_browse() { 720 } else { 560 })
            .height(launcher.height.current as f32)
            .clip(true)
            .class(theme::Container::custom(move |_| container::Style {
                background: (!compositor_material).then_some(background.into()),
                text_color: Some(text),
                border: Border {
                    color: muted.scale_alpha(0.16),
                    width: 0.5,
                    radius: 28.into(),
                    shape: Shape::Continuous,
                    ..Default::default()
                },
                ..Default::default()
            }));
        container(motion::scaled(
            panel.into(),
            0.97 + 0.03 * opacity,
            launcher.regions.clone(),
        ))
        .width(Length::Fill)
        .align_x(cosmic::iced::Alignment::Center)
        .padding(cosmic::iced::Padding {
            top,
            ..Default::default()
        })
        .into()
    }
 }
@@ -0,0 +1,15 @@
 use std::sync::{
    Arc,
    atomic::{AtomicBool, Ordering},
 };
 #[derive(Clone, Default, Debug)]
 pub(super) struct Cancellation(Arc<AtomicBool>);
 impl Cancellation {
    pub(super) fn cancel(&self) {
        self.0.store(true, Ordering::Relaxed);
    }
    pub(super) fn cancelled(&self) -> bool {
        self.0.load(Ordering::Relaxed)
    }
 }
@@ -12,6 +12,7 @@ mod control;
 mod display_mode;
 mod ipc_subscription;
 mod keybinding_guide;
 mod launcher;
 mod media;
 mod motion;
 mod notification_ui;
@@ -170,6 +171,8 @@ struct FereseShell {
    pending_config_error: Option<String>,
    menu: Option<status_ui::OpenMenu>,
    system_modal: Option<system_modal::SystemModal>,
    launcher: Option<launcher::Launcher>,
    launcher_files: launcher::files::Files,
    display_mode: display_mode::Model,
    guide_shown: bool,
    guide_load: keybinding_guide::LoadState,
@@ -194,6 +197,8 @@ struct OutputSurfaces {
 #[derive(Clone, Debug)]
 enum Message {
    Launcher(launcher::Message),
    LauncherEnter(window::Id, bool),
    NightLightTemperature(u16),
    CommitNightLightTemperature,
    HubOpen(window::Id, status_ui::Menu),
@@ -335,6 +340,8 @@ impl cosmic::Application for FereseShell {
            pending_config_error,
            menu: None,
            system_modal: None,
            launcher: None,
            launcher_files: Default::default(),
            display_mode: display_mode::Model::default(),
            guide_shown: false,
            guide_load: Default::default(),
@@ -365,6 +372,7 @@ impl cosmic::Application for FereseShell {
    fn subscription(&self) -> Subscription<Self::Message> {
        Subscription::batch([
            self.launcher_subscription(),
            self.control.as_ref().map_or_else(Subscription::none, |control| {
                control.subscription().map(|_| Message::ControlReady)
            }),
@@ -376,8 +384,11 @@ impl cosmic::Application for FereseShell {
            event::listen_with(|event, status, id| match &event {
                Event::Keyboard(cosmic::iced::keyboard::Event::KeyPressed {
                    key: cosmic::iced::keyboard::Key::Named(cosmic::iced::keyboard::key::Named::Enter),
                    modifiers,
                    ..
-                }) if status == cosmic::iced::event::Status::Captured => None,
+                }) if status == cosmic::iced::event::Status::Captured => {
                    Some(Message::LauncherEnter(id, modifiers.alt()))
                }
                Event::PlatformSpecific(PlatformSpecific::Wayland(wayland::Event::Frame(..))) => EFFECT_FRAME_PENDING
                    .load(Ordering::Relaxed)
                    .then_some(Message::Event(event, id)),
@@ -407,6 +418,14 @@ impl cosmic::Application for FereseShell {
    fn update(&mut self, message: Self::Message) -> Task<Self::Message> {
        let task = match message {
            Message::Launcher(message) => self.update_launcher(message),
            Message::LauncherEnter(id, alt) => {
                if self.launcher.as_ref().is_some_and(|l| l.id == id) {
                    self.update_launcher(launcher::Message::Accept(alt))
                } else {
                    Task::none()
                }
            }
            Message::HubOpen(id, kind) => self.open_hub(id, kind),
            Message::HubClose(id) => self.close_hub(id),
            Message::HubWorkspaceScroll(id, delta) => self.scroll_hub_workspaces(id, delta),
@@ -562,6 +581,7 @@ impl cosmic::Application for FereseShell {
                    }
                    Ok((_connection, surface)) => {
                        self.attach_power_material(id, &surface);
                        self.attach_launcher_effects(id, &surface);
                        if let Some(entry) = &mut self.notification_surface
                            && entry.id == id
                            && entry.effects.is_none()
@@ -857,6 +877,7 @@ impl cosmic::Application for FereseShell {
                    if let Some(snapshot) = poll.snapshot {
                        let mode_was_active = self.snapshot.binding_mode.is_some();
                        self.snapshot = snapshot;
                        reload_task = Task::batch([reload_task, self.refresh_launcher()]);
                        let mode = self.binding_mode_transition(mode_was_active);
                        let feedback = self.sync_hub_workspace_feedback(overview_was_active || self.overview_active);
                        let mut tasks = vec![
@@ -919,6 +940,12 @@ impl cosmic::Application for FereseShell {
                    }
                    for command in poll.commands {
                        let task = match command {
                            control::ControlCommand::DismissLauncher => self.destroy_launcher(),
                            control::ControlCommand::Thumbnail(token, window, image) => {
                                self.launcher_thumbnail(token, window, image);
                                Task::none()
                            }
                            control::ControlCommand::ToggleLauncher(output) => self.toggle_launcher(output),
                            control::ControlCommand::ToggleDisplays(output) => self.open_display_modal(Some(&output)),
                            control::ControlCommand::MonitorsChanged => self.load_display_inventory(),
                            control::ControlCommand::ToggleGuide(output) => self.toggle_guide(output),
@@ -1177,6 +1204,8 @@ mod tests {
            pending_config_error: None,
            menu: None,
            system_modal: None,
            launcher: None,
            launcher_files: Default::default(),
            display_mode: Default::default(),
            guide_shown: false,
            guide_load: Default::default(),
@@ -348,18 +348,31 @@ pub fn animated_from_edge<'a, M: 'a>(
    Element::new(Motion {
        content,
        progress,
-        regions,
+        regions: Some(regions),
        radius,
        scale: 1.,
        direction: if edge == ferese_panel::Edge::Top { -1. } else { 1. },
    })
 }
 pub fn scaled<'a, M: 'a>(content: Element<'a, M>, scale: f32, regions: Regions) -> Element<'a, M> {
    Element::new(Motion {
        content,
        progress: 1.,
        regions: Some(regions),
        radius: 28.,
        direction: 0.,
        scale,
    })
 }
 struct Motion<'a, M> {
    content: Element<'a, M>,
    progress: f32,
-    regions: Regions,
+    regions: Option<Regions>,
    radius: f32,
    direction: f32,
    scale: f32,
 }
 impl<M> Motion<'_, M> {
@@ -367,9 +380,11 @@ impl<M> Motion<'_, M> {
        Vector::new(0.0, self.direction * 4.0 * (1.0 - self.progress))
    }
-    fn cursor(&self, cursor: mouse::Cursor) -> mouse::Cursor {
+    fn cursor(&self, layout: Layout<'_>, cursor: mouse::Cursor) -> mouse::Cursor {
        cursor.position().map_or(mouse::Cursor::Unavailable, |p| {
-            mouse::Cursor::Available(p - self.translation())
+            mouse::Cursor::Available(
                layout.bounds().center() + (p - layout.bounds().center() - self.translation()) / self.scale,
            )
        })
    }
 }
@@ -381,13 +396,16 @@ impl<M> Widget<M, Theme, cosmic::Renderer> for Motion<'_, M> {
        tree: &widget::Tree,
        cursor: mouse::Cursor,
    ) -> iced_accessibility::A11yTree {
-        let mut nodes = self.content.as_widget().a11y_nodes(layout, tree, self.cursor(cursor));
+        let mut nodes = self
            .content
            .as_widget()
            .a11y_nodes(layout, tree, self.cursor(layout, cursor));
        let offset = self.translation();
        for node in nodes.root_mut() {
-            translate_accessible_node(node, offset);
+            transform_accessible_node(node, offset, layout.bounds().center(), self.scale);
        }
        for node in nodes.children_mut() {
-            translate_accessible_node(node, offset);
+            transform_accessible_node(node, offset, layout.bounds().center(), self.scale);
        }
        nodes
    }
@@ -432,19 +450,27 @@ impl<M> Widget<M, Theme, cosmic::Renderer> for Motion<'_, M> {
        shell: &mut Shell<'_, M>,
        viewport: &Rectangle,
    ) {
-        let mut collector = CollectRegions(Vec::new());
+        if let Some(regions) = &self.regions {
            let mut collected = regions.lock().unwrap();
            collected.clear();
            self.content
                .as_widget_mut()
-            .operate(tree, layout, renderer, &mut collector);
+                .operate(tree, layout, renderer, &mut ReuseRegions(&mut collected));
-        if collector.0.is_empty() {
+            if collected.is_empty()
-            // A single-content popover (e.g. battery) has one inner card, not
+                && let Some(content) = layout.children().next()
-            // a full-surface rectangle including the outer transparent padding.
+            {
-            if let Some(content) = layout.children().next() {
+                let bounds = content.bounds();
-                collector.0.push(content.bounds());
+                collected.push([bounds.x, bounds.y, bounds.width, bounds.height, 0.]);
            }
            transform_regions(
                &mut collected,
                layout.bounds().center(),
                self.scale,
                self.translation(),
                self.radius,
            );
        }
-        *self.regions.lock().unwrap() = collector.into_regions(self.translation(), self.radius);
+        let cursor = self.cursor(layout, cursor);
        let cursor = self.cursor(cursor);
        self.content
            .as_widget_mut()
            .update(tree, event, layout, cursor, renderer, clipboard, shell, viewport);
@@ -461,16 +487,25 @@ impl<M> Widget<M, Theme, cosmic::Renderer> for Motion<'_, M> {
        viewport: &Rectangle,
    ) {
        let v = self.translation();
-        let transform = Transformation::translate(v.x, v.y);
+        let center = layout.bounds().center();
        let transform = Transformation::translate(center.x + v.x, center.y + v.y)
            * Transformation::scale(self.scale)
            * Transformation::translate(-center.x, -center.y);
        // Layout/region collection still run before the surface starts opening.
        // No child may paint an opaque control before the presentation begins.
        if self.progress <= 0.0 {
            return;
        }
        renderer.with_transformation(transform, |renderer| {
-            self.content
+            self.content.as_widget().draw(
-                .as_widget()
+                tree,
-                .draw(tree, renderer, theme, style, layout, self.cursor(cursor), viewport)
+                renderer,
                theme,
                style,
                layout,
                self.cursor(layout, cursor),
                viewport,
            )
        });
    }
@@ -484,7 +519,7 @@ impl<M> Widget<M, Theme, cosmic::Renderer> for Motion<'_, M> {
    ) -> mouse::Interaction {
        self.content
            .as_widget()
-            .mouse_interaction(tree, layout, self.cursor(cursor), viewport, renderer)
+            .mouse_interaction(tree, layout, self.cursor(layout, cursor), viewport, renderer)
    }
    fn operate(
@@ -512,56 +547,55 @@ impl<M> Widget<M, Theme, cosmic::Renderer> for Motion<'_, M> {
    }
 }
-fn translate_accessible_node(node: &mut iced_accessibility::A11yNode, offset: Vector) {
+fn transform_accessible_node(
    node: &mut iced_accessibility::A11yNode,
    offset: Vector,
    center: cosmic::iced::Point,
    scale: f32,
 ) {
    if let Some(mut bounds) = node.node().bounds() {
-        bounds.x0 += f64::from(offset.x);
+        let x = f64::from(center.x);
-        bounds.x1 += f64::from(offset.x);
+        let y = f64::from(center.y);
-        bounds.y0 += f64::from(offset.y);
+        bounds.x0 = x + (bounds.x0 - x) * f64::from(scale) + f64::from(offset.x);
-        bounds.y1 += f64::from(offset.y);
+        bounds.x1 = x + (bounds.x1 - x) * f64::from(scale) + f64::from(offset.x);
        bounds.y0 = y + (bounds.y0 - y) * f64::from(scale) + f64::from(offset.y);
        bounds.y1 = y + (bounds.y1 - y) * f64::from(scale) + f64::from(offset.y);
        node.node_mut().set_bounds(bounds);
    }
 }
-struct CollectRegions(Vec<Rectangle>);
+fn transform_regions(regions: &mut [[f32; 5]], center: cosmic::iced::Point, scale: f32, offset: Vector, radius: f32) {
-
+    for region in regions {
-impl CollectRegions {
+        region[0] = center.x + (region[0] - center.x) * scale + offset.x;
-    fn into_regions(self, translation: Vector, radius: f32) -> Vec<[f32; 5]> {
+        region[1] = center.y + (region[1] - center.y) * scale + offset.y;
-        self.0
+        region[2] *= scale;
-            .into_iter()
+        region[3] *= scale;
-            .take(32)
+        region[4] = radius.max(0.) * scale;
            .filter(|r| r.width > 0.0 && r.height > 0.0)
            .map(|r| {
                [
                    r.x + translation.x,
                    r.y + translation.y,
                    r.width,
                    r.height,
                    radius.max(0.0),
                ]
            })
            .collect()
    }
 }
-impl widget::Operation for CollectRegions {
+struct ReuseRegions<'a>(&'a mut Vec<[f32; 5]>);
 impl widget::Operation for ReuseRegions<'_> {
    fn traverse(&mut self, children: &mut dyn FnMut(&mut dyn widget::Operation)) {
        children(self);
    }
    fn container(&mut self, id: Option<&widget::Id>, bounds: Rectangle) {
-        if id == Some(&widget::Id::new("ferese-blur-card")) {
+        if id != Some(&widget::Id::new("ferese-blur-card")) || bounds.width <= 0. || bounds.height <= 0. {
            let contains = |outer: &Rectangle, inner: &Rectangle| {
                outer.x <= inner.x
                    && outer.y <= inner.y
                    && outer.x + outer.width >= inner.x + inner.width
                    && outer.y + outer.height >= inner.y + inner.height
            };
            // Nested controls belong to their enclosing card's single blur pass.
            if self.0.iter().any(|outer| contains(outer, &bounds)) {
            return;
        }
-            self.0.retain(|inner| !contains(&bounds, inner));
+        let r = [bounds.x, bounds.y, bounds.width, bounds.height, 0.];
-            self.0.push(bounds);
+        let contains = |outer: &[f32; 5], inner: &[f32; 5]| {
            outer[0] <= inner[0]
                && outer[1] <= inner[1]
                && outer[0] + outer[2] >= inner[0] + inner[2]
                && outer[1] + outer[3] >= inner[1] + inner[3]
        };
        if self.0.iter().any(|outer| contains(outer, &r)) {
            return;
        }
        self.0.retain(|inner| !contains(&r, inner));
        if self.0.len() < 32 {
            self.0.push(r);
        }
    }
 }
@@ -728,22 +762,31 @@ mod tests {
    #[test]
    fn material_regions_preserve_fractional_layout_and_translation() {
-        let collector = CollectRegions(vec![Rectangle::new((0.25, 2.5).into(), (100.25, 40.5).into())]);
+        let mut regions = vec![[0.25, 2.5, 100.25, 40.5, 0.]];
-        assert_eq!(
+        transform_regions(
-            collector.into_regions(Vector::new(0.125, -0.25), 13.5),
+            &mut regions,
-            vec![[0.375, 2.25, 100.25, 40.5, 13.5]]
+            cosmic::iced::Point::ORIGIN,
            1.,
            Vector::new(0.125, -0.25),
            13.5,
        );
        assert_eq!(regions, vec![[0.375, 2.25, 100.25, 40.5, 13.5]]);
    }
    #[test]
    fn centered_modal_material_tracks_surface_position_and_animation() {
-        let mut collector = CollectRegions(Vec::new());
+        let mut regions = Vec::new();
        let mut collector = ReuseRegions(&mut regions);
        let card = Rectangle::new((380.0, 420.0).into(), (440.0, 220.0).into());
        widget::Operation::container(&mut collector, Some(&widget::Id::new("ferese-blur-card")), card);
-        assert_eq!(
+        transform_regions(
-            collector.into_regions(Vector::new(0.0, -2.0), 14.0),
+            &mut regions,
-            vec![[380., 418., 440., 220., 14.]]
+            cosmic::iced::Point::ORIGIN,
            1.,
            Vector::new(0.0, -2.0),
            14.0,
        );
        assert_eq!(regions, vec![[380., 418., 440., 220., 14.]]);
    }
    #[test]
@@ -901,7 +944,8 @@ mod tests {
    #[test]
    fn material_regions_include_cards_but_not_the_parent_or_gaps() {
-        let mut collector = CollectRegions(Vec::new());
+        let mut regions = Vec::new();
        let mut collector = ReuseRegions(&mut regions);
        let id = widget::Id::new("ferese-blur-card");
        widget::Operation::container(
            &mut collector,
@@ -912,12 +956,18 @@ mod tests {
        let second = Rectangle::new((160.0, 12.0).into(), (140.0, 80.0).into());
        widget::Operation::container(&mut collector, Some(&id), first);
        widget::Operation::container(&mut collector, Some(&id), second);
-        assert_eq!(collector.0, vec![first, second]);
+        assert_eq!(
            *collector.0,
            vec![[12., 12., 140., 80., 0.], [160., 12., 140., 80., 0.]]
        );
        widget::Operation::container(
            &mut collector,
            Some(&id),
            Rectangle::new((20.0, 20.0).into(), (40.0, 40.0).into()),
        );
-        assert_eq!(collector.0, vec![first, second]);
+        assert_eq!(
            *collector.0,
            vec![[12., 12., 140., 80., 0.], [160., 12., 140., 80., 0.]]
        );
    }
 }
@@ -37,7 +37,17 @@ impl FereseShell {
                } else {
                    Task::none()
                };
                let launcher = if self
                    .launcher
                    .as_ref()
                    .is_some_and(|l| Some(&l.output) == entry.name.as_ref())
                {
                    self.destroy_launcher()
                } else {
                    Task::none()
                };
                let mut tasks = vec![
                    launcher,
                    self.dismiss_workspace_tooltip(),
                    menu.chain(destroy_layer_surface(entry.bar)),
                    self.rebuild_system_modal(),
@@ -211,6 +221,7 @@ impl FereseShell {
        self.outputs
            .iter()
            .any(|entry| entry.bar == id || entry.wallpaper == Some(id))
            || self.launcher.as_ref().is_some_and(|launcher| launcher.id == id)
            || self.menu.as_ref().is_some_and(|menu| menu.id == id)
            || self.system_modal.as_ref().is_some_and(|modal| modal.contains(id))
            || self
@@ -221,6 +232,9 @@ impl FereseShell {
    }
    pub(super) fn handle_event(&mut self, event: Event, id: window::Id) -> Task<Message> {
        if let Some(task) = self.launcher_event(&event, id) {
            return task;
        }
        if matches!(event, Event::Mouse(cosmic::iced::mouse::Event::CursorEntered)) {
            return self.hub_hover(id, true);
        }
@@ -736,16 +750,29 @@ impl EffectsBinding {
            .map(|value| (value.clamp(0.0, 1.0) * 1000.0).round() as u32)
            .collect();
        validate_region_counts(regions.len(), values.len())?;
-        let next = (regions.to_vec(), opacity, values, role);
+        let mut previous = self.presentation.borrow_mut();
-        if self.presentation.borrow().as_ref() != Some(&next) {
+        if previous
            .as_ref()
            .is_some_and(|old| old.0 == regions && old.1 == opacity && old.2 == values && old.3 == role)
        {
            return Ok(());
        }
        self.surface.set_presentation(
            role,
            encode_regions(regions),
            opacity,
-                next.2.iter().flat_map(|value| value.to_ne_bytes()).collect(),
+            values.iter().flat_map(|value| value.to_ne_bytes()).collect(),
        );
        self.connection.flush()?;
-            *self.presentation.borrow_mut() = Some(next);
+        if let Some(old) = previous.as_mut() {
            old.0.clear();
            old.0.extend_from_slice(regions);
            old.1 = opacity;
            old.2.clear();
            old.2.extend_from_slice(&values);
            old.3 = role;
        } else {
            *previous = Some((regions.to_vec(), opacity, values, role));
        }
        Ok(())
    }
@@ -181,6 +181,7 @@ impl FereseShell {
            })
            .unwrap_or(0);
        let mut tasks = vec![
            self.destroy_launcher(),
            self.destroy_system_modal(true),
            self.destroy_menu(),
            self.close_notification_history(),
		`@@ -0,0 +1 @@`
							`<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8"><rect x="4" y="4" width="6" height="6" rx="2"/><rect x="14" y="4" width="6" height="6" rx="2"/><rect x="4" y="14" width="6" height="6" rx="2"/><rect x="14" y="14" width="6" height="6" rx="2"/></svg>`